+++ /dev/null
-/* GTK - The GIMP Toolkit
- * Copyright (C) 2000 Red Hat, Inc.
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-2001. See the AUTHORS
- * file for a list of people on the GTK+ Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-#include "config.h"
-
-#define GDK_DISABLE_DEPRECATION_WARNINGS
-
-#include "gtkcolorsel.h"
-
-#include <math.h>
-#include <string.h>
-
-#include "gdk/gdk.h"
-#include "gtkadjustment.h"
-#include "gtkorientable.h"
-#include "gtkhsv.h"
-#include "gtkwindowgroup.h"
-#include "gtkselection.h"
-#include "gtkcolorutils.h"
-#include "gtkdnd.h"
-#include "gtkdragsource.h"
-#include "gtkdragdest.h"
-#include "gtkdrawingarea.h"
-#include "gtkframe.h"
-#include "gtkgrid.h"
-#include "gtklabel.h"
-#include "gtkmarshalers.h"
-#include "gtkimage.h"
-#include "gtkspinbutton.h"
-#include "gtkrange.h"
-#include "gtkscale.h"
-#include "gtkentry.h"
-#include "gtkbutton.h"
-#include "gtkmenuitem.h"
-#include "gtkmain.h"
-#include "gtksettings.h"
-#include "gtkstock.h"
-#include "gtkaccessible.h"
-#include "gtksizerequest.h"
-#include "gtkseparator.h"
-#include "gtkprivate.h"
-#include "gtkintl.h"
-
-
-/**
- * SECTION:gtkcolorsel
- * @Short_description: Deprecated widget used to select a color
- * @Title: GtkColorSelection
- *
- * The #GtkColorSelection is a widget that is used to select
- * a color. It consists of a color wheel and number of sliders
- * and entry boxes for color parameters such as hue, saturation,
- * value, red, green, blue, and opacity. It is found on the standard
- * color selection dialog box #GtkColorSelectionDialog.
- */
-
-
-/* Keep it in sync with gtksettings.c:default_color_palette */
-#define DEFAULT_COLOR_PALETTE "black:white:gray50:red:purple:blue:light blue:green:yellow:orange:lavender:brown:goldenrod4:dodger blue:pink:light green:gray10:gray30:gray75:gray90"
-
-/* Number of elements in the custom palatte */
-#define GTK_CUSTOM_PALETTE_WIDTH 10
-#define GTK_CUSTOM_PALETTE_HEIGHT 2
-
-#define CUSTOM_PALETTE_ENTRY_WIDTH 20
-#define CUSTOM_PALETTE_ENTRY_HEIGHT 20
-
-/* The cursor for the dropper */
-#define DROPPER_WIDTH 17
-#define DROPPER_HEIGHT 17
-#define DROPPER_STRIDE (DROPPER_WIDTH * 4)
-#define DROPPER_X_HOT 2
-#define DROPPER_Y_HOT 16
-
-#define SAMPLE_WIDTH 64
-#define SAMPLE_HEIGHT 28
-#define CHECK_SIZE 16
-#define BIG_STEP 20
-
-/* Conversion between 0->1 double and and guint16. See
- * scale_round() below for more general conversions
- */
-#define SCALE(i) (i / 65535.)
-#define UNSCALE(d) ((guint16)(d * 65535 + 0.5))
-#define INTENSITY(r, g, b) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11)
-
-enum {
- COLOR_CHANGED,
- LAST_SIGNAL
-};
-
-enum {
- PROP_0,
- PROP_HAS_PALETTE,
- PROP_HAS_OPACITY_CONTROL,
- PROP_CURRENT_COLOR,
- PROP_CURRENT_ALPHA,
- PROP_CURRENT_RGBA
-};
-
-enum {
- COLORSEL_RED = 0,
- COLORSEL_GREEN = 1,
- COLORSEL_BLUE = 2,
- COLORSEL_OPACITY = 3,
- COLORSEL_HUE,
- COLORSEL_SATURATION,
- COLORSEL_VALUE,
- COLORSEL_NUM_CHANNELS
-};
-
-
-struct _GtkColorSelectionPrivate
-{
- guint has_opacity : 1;
- guint has_palette : 1;
- guint changing : 1;
- guint default_set : 1;
- guint default_alpha_set : 1;
- guint has_grab : 1;
-
- gdouble color[COLORSEL_NUM_CHANNELS];
- gdouble old_color[COLORSEL_NUM_CHANNELS];
-
- GtkWidget *triangle_colorsel;
- GtkWidget *hue_spinbutton;
- GtkWidget *sat_spinbutton;
- GtkWidget *val_spinbutton;
- GtkWidget *red_spinbutton;
- GtkWidget *green_spinbutton;
- GtkWidget *blue_spinbutton;
- GtkWidget *opacity_slider;
- GtkWidget *opacity_label;
- GtkWidget *opacity_entry;
- GtkWidget *palette_frame;
- GtkWidget *hex_entry;
-
- /* The Palette code */
- GtkWidget *custom_palette [GTK_CUSTOM_PALETTE_WIDTH][GTK_CUSTOM_PALETTE_HEIGHT];
-
- /* The color_sample stuff */
- GtkWidget *sample_area;
- GtkWidget *old_sample;
- GtkWidget *cur_sample;
- GtkWidget *colorsel;
-
- /* Window for grabbing on */
- GtkWidget *dropper_grab_widget;
- guint32 grab_time;
- GdkDevice *keyboard_device;
- GdkDevice *pointer_device;
-
- /* Connection to settings */
- gulong settings_connection;
-};
-
-
-static void gtk_color_selection_destroy (GtkWidget *widget);
-static void gtk_color_selection_finalize (GObject *object);
-static void update_color (GtkColorSelection *colorsel);
-static void gtk_color_selection_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gtk_color_selection_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
-
-static void gtk_color_selection_realize (GtkWidget *widget);
-static void gtk_color_selection_unrealize (GtkWidget *widget);
-static void gtk_color_selection_show_all (GtkWidget *widget);
-static gboolean gtk_color_selection_grab_broken (GtkWidget *widget,
- GdkEventGrabBroken *event);
-
-static void gtk_color_selection_set_palette_color (GtkColorSelection *colorsel,
- gint index,
- GdkColor *color);
-static void set_focus_line_attributes (GtkWidget *drawing_area,
- cairo_t *cr,
- gint *focus_width);
-static void default_noscreen_change_palette_func (const GdkColor *colors,
- gint n_colors);
-static void default_change_palette_func (GdkScreen *screen,
- const GdkColor *colors,
- gint n_colors);
-static void make_control_relations (AtkObject *atk_obj,
- GtkWidget *widget);
-static void make_all_relations (AtkObject *atk_obj,
- GtkColorSelectionPrivate *priv);
-
-static void hsv_changed (GtkWidget *hsv,
- gpointer data);
-static void get_screen_color (GtkWidget *button);
-static void adjustment_changed (GtkAdjustment *adjustment,
- gpointer data);
-static void opacity_entry_changed (GtkWidget *opacity_entry,
- gpointer data);
-static void hex_changed (GtkWidget *hex_entry,
- gpointer data);
-static gboolean hex_focus_out (GtkWidget *hex_entry,
- GdkEventFocus *event,
- gpointer data);
-static void color_sample_new (GtkColorSelection *colorsel);
-static void make_label_spinbutton (GtkColorSelection *colorsel,
- GtkWidget **spinbutton,
- gchar *text,
- GtkWidget *table,
- gint i,
- gint j,
- gint channel_type,
- const gchar *tooltip);
-static void make_palette_frame (GtkColorSelection *colorsel,
- GtkWidget *table,
- gint i,
- gint j);
-static void set_selected_palette (GtkColorSelection *colorsel,
- int x,
- int y);
-static void set_focus_line_attributes (GtkWidget *drawing_area,
- cairo_t *cr,
- gint *focus_width);
-static gboolean mouse_press (GtkWidget *invisible,
- GdkEventButton *event,
- gpointer data);
-static void palette_change_notify_instance (GObject *object,
- GParamSpec *pspec,
- gpointer data);
-static void update_palette (GtkColorSelection *colorsel);
-static void shutdown_eyedropper (GtkWidget *widget);
-
-static guint color_selection_signals[LAST_SIGNAL] = { 0 };
-
-static GtkColorSelectionChangePaletteFunc noscreen_change_palette_hook = default_noscreen_change_palette_func;
-static GtkColorSelectionChangePaletteWithScreenFunc change_palette_hook = default_change_palette_func;
-
-static const guchar dropper_bits[] = {
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\377\377\377\377\377\377"
- "\377\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\0\0\0\377"
- "\0\0\0\377\0\0\0\377\377\377\377\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377"
- "\377\0\0\0\377\0\0\0\377\0\0\0\377\0\0\0\377\0\0\0\377\377\377\377\377"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377"
- "\377\377\377\377\377\377\377\377\377\377\377\0\0\0\377\0\0\0\377\0\0"
- "\0\377\0\0\0\377\0\0\0\377\377\377\377\377\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\0\0\0\377\0\0\0\377\0"
- "\0\0\377\0\0\0\377\0\0\0\377\0\0\0\377\0\0\0\377\0\0\0\377\377\377\377"
- "\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\377\377\377\377\0\0\0\377\0\0\0\377\0\0\0\377\0\0\0\377\0\0\0\377\0"
- "\0\0\377\377\377\377\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\377\0\0\0\377\0\0"
- "\0\377\0\0\0\377\377\377\377\377\377\377\377\377\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377"
- "\377\377\377\377\377\377\377\377\377\377\0\0\0\377\0\0\0\377\377\377"
- "\377\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\377\377\377\377\377\377\377\377\377\377\377\377\377"
- "\0\0\0\377\377\377\377\377\0\0\0\377\377\377\377\377\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377"
- "\377\377\377\377\377\377\377\377\377\0\0\0\377\0\0\0\0\0\0\0\0\377\377"
- "\377\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\377\377\377\377\377\377\377\377\377\377\377\377\377\0\0\0"
- "\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\377\377\377\377\377\377"
- "\377\377\377\0\0\0\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\377"
- "\377\377\377\377\377\377\377\377\0\0\0\377\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\377\377\377\377\377\377\377\377\377\377\377\377\377\0\0\0\377\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\377\377\377\377\377\0\0"
- "\0\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\0\0\0\0\0\0\0\377\0\0\0"
- "\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
- "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"};
-
-G_DEFINE_TYPE_WITH_PRIVATE (GtkColorSelection, gtk_color_selection, GTK_TYPE_BOX)
-
-static void
-gtk_color_selection_class_init (GtkColorSelectionClass *klass)
-{
- GObjectClass *gobject_class;
- GtkWidgetClass *widget_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- gobject_class->finalize = gtk_color_selection_finalize;
- gobject_class->set_property = gtk_color_selection_set_property;
- gobject_class->get_property = gtk_color_selection_get_property;
-
- widget_class = GTK_WIDGET_CLASS (klass);
- widget_class->destroy = gtk_color_selection_destroy;
- widget_class->realize = gtk_color_selection_realize;
- widget_class->unrealize = gtk_color_selection_unrealize;
- widget_class->show_all = gtk_color_selection_show_all;
- widget_class->grab_broken_event = gtk_color_selection_grab_broken;
-
- g_object_class_install_property (gobject_class,
- PROP_HAS_OPACITY_CONTROL,
- g_param_spec_boolean ("has-opacity-control",
- P_("Has Opacity Control"),
- P_("Whether the color selector should allow setting opacity"),
- FALSE,
- GTK_PARAM_READWRITE));
- g_object_class_install_property (gobject_class,
- PROP_HAS_PALETTE,
- g_param_spec_boolean ("has-palette",
- P_("Has palette"),
- P_("Whether a palette should be used"),
- FALSE,
- GTK_PARAM_READWRITE));
-
- /**
- * GtkColorSelection:current-color:
- *
- * The current GdkColor color.
- *
- * Deprecated: 3.4: Use #GtkColorSelection:current-rgba instead.
- */
- g_object_class_install_property (gobject_class,
- PROP_CURRENT_COLOR,
- g_param_spec_boxed ("current-color",
- P_("Current Color"),
- P_("The current color"),
- GDK_TYPE_COLOR,
- GTK_PARAM_READWRITE | G_PARAM_DEPRECATED));
- g_object_class_install_property (gobject_class,
- PROP_CURRENT_ALPHA,
- g_param_spec_uint ("current-alpha",
- P_("Current Alpha"),
- P_("The current opacity value (0 fully transparent, 65535 fully opaque)"),
- 0, 65535, 65535,
- GTK_PARAM_READWRITE));
-
- /**
- * GtkColorSelection:current-rgba:
- *
- * The current RGBA color.
- *
- * Since: 3.0
- */
- g_object_class_install_property (gobject_class,
- PROP_CURRENT_RGBA,
- g_param_spec_boxed ("current-rgba",
- P_("Current RGBA"),
- P_("The current RGBA color"),
- GDK_TYPE_RGBA,
- GTK_PARAM_READWRITE));
-
- /**
- * GtkColorSelection::color-changed:
- * @colorselection: the object which received the signal.
- *
- * This signal is emitted when the color changes in the #GtkColorSelection
- * according to its update policy.
- */
- color_selection_signals[COLOR_CHANGED] =
- g_signal_new (I_("color-changed"),
- G_OBJECT_CLASS_TYPE (gobject_class),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (GtkColorSelectionClass, color_changed),
- NULL, NULL,
- NULL,
- G_TYPE_NONE, 0);
-}
-
-static void
-gtk_color_selection_init (GtkColorSelection *colorsel)
-{
- GtkWidget *top_hbox;
- GtkWidget *top_right_vbox;
- GtkWidget *table, *label, *hbox, *frame, *vbox, *button;
- GtkAdjustment *adjust;
- GtkWidget *picker_image;
- gint i, j;
- GtkColorSelectionPrivate *priv;
- AtkObject *atk_obj;
- GList *focus_chain = NULL;
-
- gtk_orientable_set_orientation (GTK_ORIENTABLE (colorsel),
- GTK_ORIENTATION_VERTICAL);
-
- gtk_widget_push_composite_child ();
-
- priv = colorsel->private_data = gtk_color_selection_get_instance_private (colorsel);
- priv->changing = FALSE;
- priv->default_set = FALSE;
- priv->default_alpha_set = FALSE;
-
- top_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
- gtk_box_pack_start (GTK_BOX (colorsel), top_hbox, FALSE, FALSE);
-
- vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
- priv->triangle_colorsel = gtk_hsv_new ();
- g_signal_connect (priv->triangle_colorsel, "changed",
- G_CALLBACK (hsv_changed), colorsel);
- gtk_hsv_set_metrics (GTK_HSV (priv->triangle_colorsel), 174, 15);
- gtk_box_pack_start (GTK_BOX (top_hbox), vbox, FALSE, FALSE);
- gtk_box_pack_start (GTK_BOX (vbox), priv->triangle_colorsel, FALSE, FALSE);
- gtk_widget_set_tooltip_text (priv->triangle_colorsel,
- _("Select the color you want from the outer ring. "
- "Select the darkness or lightness of that color "
- "using the inner triangle."));
-
- hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
- gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE);
-
- frame = gtk_frame_new (NULL);
- gtk_widget_set_size_request (frame, -1, 30);
- gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
- color_sample_new (colorsel);
- gtk_container_add (GTK_CONTAINER (frame), priv->sample_area);
- gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE);
-
- button = gtk_button_new ();
-
- gtk_widget_set_events (button, GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
- g_object_set_data (G_OBJECT (button), I_("COLORSEL"), colorsel);
- g_signal_connect (button, "clicked",
- G_CALLBACK (get_screen_color), NULL);
- picker_image = gtk_image_new_from_icon_name ("gtk-color-picker", GTK_ICON_SIZE_BUTTON);
- gtk_container_add (GTK_CONTAINER (button), picker_image);
- gtk_widget_show (GTK_WIDGET (picker_image));
- gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE);
-
- gtk_widget_set_tooltip_text (button,
- _("Click the eyedropper, then click a color "
- "anywhere on your screen to select that color."));
-
- top_right_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
- gtk_box_pack_start (GTK_BOX (top_hbox), top_right_vbox, FALSE, FALSE);
- table = gtk_grid_new ();
- gtk_box_pack_start (GTK_BOX (top_right_vbox), table, FALSE, FALSE);
- gtk_grid_set_row_spacing (GTK_GRID (table), 6);
- gtk_grid_set_column_spacing (GTK_GRID (table), 12);
-
- make_label_spinbutton (colorsel, &priv->hue_spinbutton, _("_Hue:"), table, 0, 0, COLORSEL_HUE,
- _("Position on the color wheel."));
- gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (priv->hue_spinbutton), TRUE);
- make_label_spinbutton (colorsel, &priv->sat_spinbutton, _("S_aturation:"), table, 0, 1, COLORSEL_SATURATION,
- _("Intensity of the color."));
- make_label_spinbutton (colorsel, &priv->val_spinbutton, _("_Value:"), table, 0, 2, COLORSEL_VALUE,
- _("Brightness of the color."));
- make_label_spinbutton (colorsel, &priv->red_spinbutton, _("_Red:"), table, 6, 0, COLORSEL_RED,
- _("Amount of red light in the color."));
- make_label_spinbutton (colorsel, &priv->green_spinbutton, _("_Green:"), table, 6, 1, COLORSEL_GREEN,
- _("Amount of green light in the color."));
- make_label_spinbutton (colorsel, &priv->blue_spinbutton, _("_Blue:"), table, 6, 2, COLORSEL_BLUE,
- _("Amount of blue light in the color."));
- gtk_grid_attach (GTK_GRID (table), gtk_separator_new (GTK_ORIENTATION_HORIZONTAL), 0, 3, 8, 1);
-
- priv->opacity_label = gtk_label_new_with_mnemonic (_("Op_acity:"));
- gtk_widget_set_halign (priv->opacity_label, GTK_ALIGN_START);
- gtk_widget_set_valign (priv->opacity_label, GTK_ALIGN_CENTER);
- gtk_grid_attach (GTK_GRID (table), priv->opacity_label, 0, 4, 1, 1);
- adjust = gtk_adjustment_new (0.0, 0.0, 255.0, 1.0, 1.0, 0.0);
- g_object_set_data (G_OBJECT (adjust), I_("COLORSEL"), colorsel);
- priv->opacity_slider = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, adjust);
- gtk_widget_set_tooltip_text (priv->opacity_slider,
- _("Transparency of the color."));
- gtk_label_set_mnemonic_widget (GTK_LABEL (priv->opacity_label),
- priv->opacity_slider);
- gtk_scale_set_draw_value (GTK_SCALE (priv->opacity_slider), FALSE);
- g_signal_connect (adjust, "value-changed",
- G_CALLBACK (adjustment_changed),
- GINT_TO_POINTER (COLORSEL_OPACITY));
- gtk_grid_attach (GTK_GRID (table), priv->opacity_slider, 1, 4, 6, 1);
- priv->opacity_entry = gtk_entry_new ();
- gtk_widget_set_tooltip_text (priv->opacity_entry,
- _("Transparency of the color."));
- gtk_widget_set_size_request (priv->opacity_entry, 40, -1);
-
- g_signal_connect (priv->opacity_entry, "activate",
- G_CALLBACK (opacity_entry_changed), colorsel);
- gtk_grid_attach (GTK_GRID (table), priv->opacity_entry, 7, 4, 1, 1);
-
- label = gtk_label_new_with_mnemonic (_("Color _name:"));
- gtk_grid_attach (GTK_GRID (table), label, 0, 5, 1, 1);
- gtk_widget_set_halign (label, GTK_ALIGN_START);
- gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
- priv->hex_entry = gtk_entry_new ();
-
- gtk_label_set_mnemonic_widget (GTK_LABEL (label), priv->hex_entry);
-
- g_signal_connect (priv->hex_entry, "activate",
- G_CALLBACK (hex_changed), colorsel);
-
- g_signal_connect (priv->hex_entry, "focus-out-event",
- G_CALLBACK (hex_focus_out), colorsel);
-
- gtk_widget_set_tooltip_text (priv->hex_entry,
- _("You can enter an HTML-style hexadecimal color "
- "value, or simply a color name such as “orange” "
- "in this entry."));
-
- gtk_entry_set_width_chars (GTK_ENTRY (priv->hex_entry), 7);
- gtk_grid_attach (GTK_GRID (table), priv->hex_entry, 1, 5, 4, 1);
-
- focus_chain = g_list_append (focus_chain, priv->hue_spinbutton);
- focus_chain = g_list_append (focus_chain, priv->sat_spinbutton);
- focus_chain = g_list_append (focus_chain, priv->val_spinbutton);
- focus_chain = g_list_append (focus_chain, priv->red_spinbutton);
- focus_chain = g_list_append (focus_chain, priv->green_spinbutton);
- focus_chain = g_list_append (focus_chain, priv->blue_spinbutton);
- focus_chain = g_list_append (focus_chain, priv->opacity_slider);
- focus_chain = g_list_append (focus_chain, priv->opacity_entry);
- focus_chain = g_list_append (focus_chain, priv->hex_entry);
- gtk_container_set_focus_chain (GTK_CONTAINER (table), focus_chain);
- g_list_free (focus_chain);
-
- /* Set up the palette */
- table = gtk_grid_new ();
- gtk_grid_set_row_spacing (GTK_GRID (table), 1);
- gtk_grid_set_column_spacing (GTK_GRID (table), 1);
- for (i = 0; i < GTK_CUSTOM_PALETTE_WIDTH; i++)
- {
- for (j = 0; j < GTK_CUSTOM_PALETTE_HEIGHT; j++)
- {
- make_palette_frame (colorsel, table, i, j);
- }
- }
- set_selected_palette (colorsel, 0, 0);
- priv->palette_frame = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
- label = gtk_label_new_with_mnemonic (_("_Palette:"));
- gtk_widget_set_halign (label, GTK_ALIGN_START);
- gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
- gtk_box_pack_start (GTK_BOX (priv->palette_frame), label, FALSE, FALSE);
-
- gtk_label_set_mnemonic_widget (GTK_LABEL (label),
- priv->custom_palette[0][0]);
-
- gtk_box_pack_end (GTK_BOX (top_right_vbox), priv->palette_frame, FALSE, FALSE);
- gtk_box_pack_start (GTK_BOX (priv->palette_frame), table, FALSE, FALSE);
-
- gtk_widget_show_all (top_hbox);
-
- /* hide unused stuff */
-
- if (priv->has_opacity == FALSE)
- {
- gtk_widget_hide (priv->opacity_label);
- gtk_widget_hide (priv->opacity_slider);
- gtk_widget_hide (priv->opacity_entry);
- }
-
- if (priv->has_palette == FALSE)
- {
- gtk_widget_hide (priv->palette_frame);
- }
-
- atk_obj = gtk_widget_get_accessible (priv->triangle_colorsel);
- if (GTK_IS_ACCESSIBLE (atk_obj))
- {
- atk_object_set_name (atk_obj, _("Color Wheel"));
- atk_object_set_role (gtk_widget_get_accessible (GTK_WIDGET (colorsel)), ATK_ROLE_COLOR_CHOOSER);
- make_all_relations (atk_obj, priv);
- }
-
- gtk_widget_pop_composite_child ();
-}
-
-/* GObject methods */
-static void
-gtk_color_selection_finalize (GObject *object)
-{
- G_OBJECT_CLASS (gtk_color_selection_parent_class)->finalize (object);
-}
-
-static void
-gtk_color_selection_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (object);
-
- switch (prop_id)
- {
- case PROP_HAS_OPACITY_CONTROL:
- gtk_color_selection_set_has_opacity_control (colorsel,
- g_value_get_boolean (value));
- break;
- case PROP_HAS_PALETTE:
- gtk_color_selection_set_has_palette (colorsel,
- g_value_get_boolean (value));
- break;
- case PROP_CURRENT_COLOR:
- {
- GdkColor *color;
- GdkRGBA rgba;
-
- color = g_value_get_boxed (value);
-
- rgba.red = SCALE (color->red);
- rgba.green = SCALE (color->green);;
- rgba.blue = SCALE (color->blue);
- rgba.alpha = 1.0;
-
- gtk_color_selection_set_current_rgba (colorsel, &rgba);
- }
- break;
- case PROP_CURRENT_ALPHA:
- gtk_color_selection_set_current_alpha (colorsel, g_value_get_uint (value));
- break;
- case PROP_CURRENT_RGBA:
- gtk_color_selection_set_current_rgba (colorsel, g_value_get_boxed (value));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-
-}
-
-static void
-gtk_color_selection_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (object);
-
- switch (prop_id)
- {
- case PROP_HAS_OPACITY_CONTROL:
- g_value_set_boolean (value, gtk_color_selection_get_has_opacity_control (colorsel));
- break;
- case PROP_HAS_PALETTE:
- g_value_set_boolean (value, gtk_color_selection_get_has_palette (colorsel));
- break;
- case PROP_CURRENT_COLOR:
- {
- GdkColor color;
- GdkRGBA rgba;
-
- gtk_color_selection_get_current_rgba (colorsel, &rgba);
-
- color.red = UNSCALE (rgba.red);
- color.green = UNSCALE (rgba.green);
- color.blue = UNSCALE (rgba.blue);
-
- g_value_set_boxed (value, &color);
- }
- break;
- case PROP_CURRENT_ALPHA:
- g_value_set_uint (value, gtk_color_selection_get_current_alpha (colorsel));
- break;
- case PROP_CURRENT_RGBA:
- {
- GdkRGBA rgba;
-
- gtk_color_selection_get_current_rgba (colorsel, &rgba);
- g_value_set_boxed (value, &rgba);
- }
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-/* GtkWidget methods */
-
-static void
-gtk_color_selection_destroy (GtkWidget *widget)
-{
- GtkColorSelection *cselection = GTK_COLOR_SELECTION (widget);
- GtkColorSelectionPrivate *priv = cselection->private_data;
-
- if (priv->dropper_grab_widget)
- {
- gtk_widget_destroy (priv->dropper_grab_widget);
- priv->dropper_grab_widget = NULL;
- }
-
- GTK_WIDGET_CLASS (gtk_color_selection_parent_class)->destroy (widget);
-}
-
-static void
-gtk_color_selection_realize (GtkWidget *widget)
-{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (widget);
- GtkColorSelectionPrivate *priv = colorsel->private_data;
- GtkSettings *settings = gtk_widget_get_settings (widget);
-
- priv->settings_connection = g_signal_connect (settings,
- "notify::gtk-color-palette",
- G_CALLBACK (palette_change_notify_instance),
- widget);
- update_palette (colorsel);
-
- GTK_WIDGET_CLASS (gtk_color_selection_parent_class)->realize (widget);
-}
-
-static void
-gtk_color_selection_unrealize (GtkWidget *widget)
-{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (widget);
- GtkColorSelectionPrivate *priv = colorsel->private_data;
- GtkSettings *settings = gtk_widget_get_settings (widget);
-
- g_signal_handler_disconnect (settings, priv->settings_connection);
-
- GTK_WIDGET_CLASS (gtk_color_selection_parent_class)->unrealize (widget);
-}
-
-/* We override show-all since we have internal widgets that
- * shouldn’t be shown when you call show_all(), like the
- * palette and opacity sliders.
- */
-static void
-gtk_color_selection_show_all (GtkWidget *widget)
-{
- gtk_widget_show (widget);
-}
-
-static gboolean
-gtk_color_selection_grab_broken (GtkWidget *widget,
- GdkEventGrabBroken *event)
-{
- shutdown_eyedropper (widget);
-
- return TRUE;
-}
-
-/*
- *
- * The Sample Color
- *
- */
-
-static void color_sample_draw_sample (GtkColorSelection *colorsel,
- int which,
- cairo_t * cr);
-static void color_sample_update_samples (GtkColorSelection *colorsel);
-
-static void
-set_color_internal (GtkColorSelection *colorsel,
- gdouble *color)
-{
- GtkColorSelectionPrivate *priv;
- gint i;
-
- priv = colorsel->private_data;
- priv->changing = TRUE;
- priv->color[COLORSEL_RED] = color[0];
- priv->color[COLORSEL_GREEN] = color[1];
- priv->color[COLORSEL_BLUE] = color[2];
- priv->color[COLORSEL_OPACITY] = color[3];
- gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
- priv->color[COLORSEL_GREEN],
- priv->color[COLORSEL_BLUE],
- &priv->color[COLORSEL_HUE],
- &priv->color[COLORSEL_SATURATION],
- &priv->color[COLORSEL_VALUE]);
- if (priv->default_set == FALSE)
- {
- for (i = 0; i < COLORSEL_NUM_CHANNELS; i++)
- priv->old_color[i] = priv->color[i];
- }
- priv->default_set = TRUE;
- priv->default_alpha_set = TRUE;
- update_color (colorsel);
-}
-
-static void
-set_color_icon (GdkDragContext *context,
- gdouble *colors)
-{
- GdkPixbuf *pixbuf;
- guint32 pixel;
-
- pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE,
- 8, 48, 32);
-
- pixel = (((UNSCALE (colors[COLORSEL_RED]) & 0xff00) << 16) |
- ((UNSCALE (colors[COLORSEL_GREEN]) & 0xff00) << 8) |
- ((UNSCALE (colors[COLORSEL_BLUE]) & 0xff00)));
-
- gdk_pixbuf_fill (pixbuf, pixel);
-
- gtk_drag_set_icon_pixbuf (context, pixbuf, -2, -2);
- g_object_unref (pixbuf);
-}
-
-static void
-color_sample_drag_begin (GtkWidget *widget,
- GdkDragContext *context,
- gpointer data)
-{
- GtkColorSelection *colorsel = data;
- GtkColorSelectionPrivate *priv;
- gdouble *colsrc;
-
- priv = colorsel->private_data;
-
- if (widget == priv->old_sample)
- colsrc = priv->old_color;
- else
- colsrc = priv->color;
-
- set_color_icon (context, colsrc);
-}
-
-static void
-color_sample_drag_end (GtkWidget *widget,
- GdkDragContext *context,
- gpointer data)
-{
- g_object_set_data (G_OBJECT (widget), I_("gtk-color-selection-drag-window"), NULL);
-}
-
-static void
-color_sample_drop_handle (GtkWidget *widget,
- GdkDragContext *context,
- gint x,
- gint y,
- GtkSelectionData *selection_data,
- guint info,
- guint time,
- gpointer data)
-{
- GtkColorSelection *colorsel = data;
- GtkColorSelectionPrivate *priv;
- gint length;
- guint16 *vals;
- gdouble color[4];
- priv = colorsel->private_data;
-
- /* This is currently a guint16 array of the format:
- * R
- * G
- * B
- * opacity
- */
-
- length = gtk_selection_data_get_length (selection_data);
-
- if (length < 0)
- return;
-
- /* We accept drops with the wrong format, since the KDE color
- * chooser incorrectly drops application/x-color with format 8.
- */
- if (length != 8)
- {
- g_warning ("Received invalid color data");
- return;
- }
-
- vals = (guint16 *) gtk_selection_data_get_data (selection_data);
-
- if (widget == priv->cur_sample)
- {
- color[0] = (gdouble)vals[0] / 0xffff;
- color[1] = (gdouble)vals[1] / 0xffff;
- color[2] = (gdouble)vals[2] / 0xffff;
- color[3] = (gdouble)vals[3] / 0xffff;
-
- set_color_internal (colorsel, color);
- }
-}
-
-static void
-color_sample_drag_handle (GtkWidget *widget,
- GdkDragContext *context,
- GtkSelectionData *selection_data,
- guint info,
- guint time,
- gpointer data)
-{
- GtkColorSelection *colorsel = data;
- GtkColorSelectionPrivate *priv;
- guint16 vals[4];
- gdouble *colsrc;
-
- priv = colorsel->private_data;
-
- if (widget == priv->old_sample)
- colsrc = priv->old_color;
- else
- colsrc = priv->color;
-
- vals[0] = colsrc[COLORSEL_RED] * 0xffff;
- vals[1] = colsrc[COLORSEL_GREEN] * 0xffff;
- vals[2] = colsrc[COLORSEL_BLUE] * 0xffff;
- vals[3] = priv->has_opacity ? colsrc[COLORSEL_OPACITY] * 0xffff : 0xffff;
-
- gtk_selection_data_set (selection_data,
- gdk_atom_intern_static_string ("application/x-color"),
- 16, (guchar *)vals, 8);
-}
-
-/* which = 0 means draw old sample, which = 1 means draw new */
-static void
-color_sample_draw_sample (GtkColorSelection *colorsel,
- int which,
- cairo_t *cr)
-{
- GtkWidget *da;
- gint x, y, goff;
- GtkColorSelectionPrivate *priv;
- int width, height;
-
- g_return_if_fail (colorsel != NULL);
- priv = colorsel->private_data;
-
- g_return_if_fail (priv->sample_area != NULL);
- if (!gtk_widget_is_drawable (priv->sample_area))
- return;
-
- if (which == 0)
- {
- da = priv->old_sample;
- goff = 0;
- }
- else
- {
- GtkAllocation old_sample_allocation;
-
- da = priv->cur_sample;
- gtk_widget_get_allocation (priv->old_sample, &old_sample_allocation);
- goff = old_sample_allocation.width % 32;
- }
-
- /* Below needs tweaking for non-power-of-two */
- width = gtk_widget_get_allocated_width (da);
- height = gtk_widget_get_allocated_height (da);
-
- if (priv->has_opacity)
- {
- /* Draw checks in background */
-
- cairo_set_source_rgb (cr, 0.5, 0.5, 0.5);
- cairo_rectangle (cr, 0, 0, width, height);
- cairo_fill (cr);
-
- cairo_set_source_rgb (cr, 0.75, 0.75, 0.75);
- for (x = goff & -CHECK_SIZE; x < goff + width; x += CHECK_SIZE)
- for (y = 0; y < height; y += CHECK_SIZE)
- if ((x / CHECK_SIZE + y / CHECK_SIZE) % 2 == 0)
- cairo_rectangle (cr, x - goff, y, CHECK_SIZE, CHECK_SIZE);
- cairo_fill (cr);
- }
-
- if (which == 0)
- {
- cairo_set_source_rgba (cr,
- priv->old_color[COLORSEL_RED],
- priv->old_color[COLORSEL_GREEN],
- priv->old_color[COLORSEL_BLUE],
- priv->has_opacity ?
- priv->old_color[COLORSEL_OPACITY] : 1.0);
- }
- else
- {
- cairo_set_source_rgba (cr,
- priv->color[COLORSEL_RED],
- priv->color[COLORSEL_GREEN],
- priv->color[COLORSEL_BLUE],
- priv->has_opacity ?
- priv->color[COLORSEL_OPACITY] : 1.0);
- }
-
- cairo_rectangle (cr, 0, 0, width, height);
- cairo_fill (cr);
-}
-
-
-static void
-color_sample_update_samples (GtkColorSelection *colorsel)
-{
- GtkColorSelectionPrivate *priv = colorsel->private_data;
- gtk_widget_queue_draw (priv->old_sample);
- gtk_widget_queue_draw (priv->cur_sample);
-}
-
-static gboolean
-color_old_sample_draw (GtkWidget *da,
- cairo_t *cr,
- GtkColorSelection *colorsel)
-{
- color_sample_draw_sample (colorsel, 0, cr);
- return FALSE;
-}
-
-
-static gboolean
-color_cur_sample_draw (GtkWidget *da,
- cairo_t *cr,
- GtkColorSelection *colorsel)
-{
- color_sample_draw_sample (colorsel, 1, cr);
- return FALSE;
-}
-
-static void
-color_sample_setup_dnd (GtkColorSelection *colorsel, GtkWidget *sample)
-{
- static const GtkTargetEntry targets[] = {
- { "application/x-color", 0 }
- };
- GtkColorSelectionPrivate *priv;
- priv = colorsel->private_data;
-
- gtk_drag_source_set (sample,
- GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
- targets, 1,
- GDK_ACTION_COPY | GDK_ACTION_MOVE);
-
- g_signal_connect (sample, "drag-begin",
- G_CALLBACK (color_sample_drag_begin),
- colorsel);
- if (sample == priv->cur_sample)
- {
-
- gtk_drag_dest_set (sample,
- GTK_DEST_DEFAULT_HIGHLIGHT |
- GTK_DEST_DEFAULT_MOTION |
- GTK_DEST_DEFAULT_DROP,
- targets, 1,
- GDK_ACTION_COPY);
-
- g_signal_connect (sample, "drag-end",
- G_CALLBACK (color_sample_drag_end),
- colorsel);
- }
-
- g_signal_connect (sample, "drag-data-get",
- G_CALLBACK (color_sample_drag_handle),
- colorsel);
- g_signal_connect (sample, "drag-data-received",
- G_CALLBACK (color_sample_drop_handle),
- colorsel);
-
-}
-
-static void
-update_tooltips (GtkColorSelection *colorsel)
-{
- GtkColorSelectionPrivate *priv;
-
- priv = colorsel->private_data;
-
- if (priv->has_palette == TRUE)
- {
- gtk_widget_set_tooltip_text (priv->old_sample,
- _("The previously-selected color, for comparison to the color "
- "you’re selecting now. You can drag this color to a palette "
- "entry, or select this color as current by dragging it to the "
- "other color swatch alongside."));
-
- gtk_widget_set_tooltip_text (priv->cur_sample,
- _("The color you’ve chosen. You can drag this color to a palette "
- "entry to save it for use in the future."));
- }
- else
- {
- gtk_widget_set_tooltip_text (priv->old_sample,
- _("The previously-selected color, for comparison to the color "
- "you’re selecting now."));
-
- gtk_widget_set_tooltip_text (priv->cur_sample,
- _("The color you’ve chosen."));
- }
-}
-
-static void
-color_sample_new (GtkColorSelection *colorsel)
-{
- GtkColorSelectionPrivate *priv;
-
- priv = colorsel->private_data;
-
- priv->sample_area = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
- priv->old_sample = gtk_drawing_area_new ();
- priv->cur_sample = gtk_drawing_area_new ();
-
- gtk_box_pack_start (GTK_BOX (priv->sample_area), priv->old_sample,
- TRUE, TRUE);
- gtk_box_pack_start (GTK_BOX (priv->sample_area), priv->cur_sample,
- TRUE, TRUE);
-
- g_signal_connect (priv->old_sample, "draw",
- G_CALLBACK (color_old_sample_draw),
- colorsel);
- g_signal_connect (priv->cur_sample, "draw",
- G_CALLBACK (color_cur_sample_draw),
- colorsel);
-
- color_sample_setup_dnd (colorsel, priv->old_sample);
- color_sample_setup_dnd (colorsel, priv->cur_sample);
-
- update_tooltips (colorsel);
-
- gtk_widget_show_all (priv->sample_area);
-}
-
-
-/* The palette area code */
-
-static void
-palette_get_color (GtkWidget *drawing_area, gdouble *color)
-{
- gdouble *color_val;
-
- g_return_if_fail (color != NULL);
-
- color_val = g_object_get_data (G_OBJECT (drawing_area), "color_val");
- if (color_val == NULL)
- {
- /* Default to white for no good reason */
- color[0] = 1.0;
- color[1] = 1.0;
- color[2] = 1.0;
- color[3] = 1.0;
- return;
- }
-
- color[0] = color_val[0];
- color[1] = color_val[1];
- color[2] = color_val[2];
- color[3] = 1.0;
-}
-
-static gboolean
-palette_draw (GtkWidget *drawing_area,
- cairo_t *cr,
- gpointer data)
-{
- GtkStyleContext *context;
- gint focus_width;
- GdkRGBA color;
-
- context = gtk_widget_get_style_context (drawing_area);
- gtk_style_context_get_background_color (context, 0, &color);
- gdk_cairo_set_source_rgba (cr, &color);
- cairo_paint (cr);
-
- if (gtk_widget_has_visible_focus (drawing_area))
- {
- set_focus_line_attributes (drawing_area, cr, &focus_width);
-
- cairo_rectangle (cr,
- focus_width / 2., focus_width / 2.,
- gtk_widget_get_allocated_width (drawing_area) - focus_width,
- gtk_widget_get_allocated_height (drawing_area) - focus_width);
- cairo_stroke (cr);
- }
-
- return FALSE;
-}
-
-static void
-set_focus_line_attributes (GtkWidget *drawing_area,
- cairo_t *cr,
- gint *focus_width)
-{
- gdouble color[4];
- gint8 *dash_list;
-
- gtk_widget_style_get (drawing_area,
- "focus-line-width", focus_width,
- "focus-line-pattern", (gchar *)&dash_list,
- NULL);
-
- palette_get_color (drawing_area, color);
-
- if (INTENSITY (color[0], color[1], color[2]) > 0.5)
- cairo_set_source_rgb (cr, 0., 0., 0.);
- else
- cairo_set_source_rgb (cr, 1., 1., 1.);
-
- cairo_set_line_width (cr, *focus_width);
-
- if (dash_list[0])
- {
- gint n_dashes = strlen ((gchar *)dash_list);
- gdouble *dashes = g_new (gdouble, n_dashes);
- gdouble total_length = 0;
- gdouble dash_offset;
- gint i;
-
- for (i = 0; i < n_dashes; i++)
- {
- dashes[i] = dash_list[i];
- total_length += dash_list[i];
- }
-
- /* The dash offset here aligns the pattern to integer pixels
- * by starting the dash at the right side of the left border
- * Negative dash offsets in cairo don't work
- * (https://bugs.freedesktop.org/show_bug.cgi?id=2729)
- */
- dash_offset = - *focus_width / 2.;
- while (dash_offset < 0)
- dash_offset += total_length;
-
- cairo_set_dash (cr, dashes, n_dashes, dash_offset);
- g_free (dashes);
- }
-
- g_free (dash_list);
-}
-
-static void
-palette_drag_begin (GtkWidget *widget,
- GdkDragContext *context,
- gpointer data)
-{
- gdouble colors[4];
-
- palette_get_color (widget, colors);
- set_color_icon (context, colors);
-}
-
-static void
-palette_drag_handle (GtkWidget *widget,
- GdkDragContext *context,
- GtkSelectionData *selection_data,
- guint info,
- guint time,
- gpointer data)
-{
- guint16 vals[4];
- gdouble colsrc[4];
-
- palette_get_color (widget, colsrc);
-
- vals[0] = colsrc[COLORSEL_RED] * 0xffff;
- vals[1] = colsrc[COLORSEL_GREEN] * 0xffff;
- vals[2] = colsrc[COLORSEL_BLUE] * 0xffff;
- vals[3] = 0xffff;
-
- gtk_selection_data_set (selection_data,
- gdk_atom_intern_static_string ("application/x-color"),
- 16, (guchar *)vals, 8);
-}
-
-static void
-palette_drag_end (GtkWidget *widget,
- GdkDragContext *context,
- gpointer data)
-{
- g_object_set_data (G_OBJECT (widget), I_("gtk-color-selection-drag-window"), NULL);
-}
-
-static GdkColor *
-get_current_colors (GtkColorSelection *colorsel)
-{
- GtkSettings *settings;
- GdkColor *colors = NULL;
- gint n_colors = 0;
- gchar *palette;
-
- settings = gtk_widget_get_settings (GTK_WIDGET (colorsel));
- g_object_get (settings, "gtk-color-palette", &palette, NULL);
-
- if (!gtk_color_selection_palette_from_string (palette, &colors, &n_colors))
- {
- gtk_color_selection_palette_from_string (DEFAULT_COLOR_PALETTE,
- &colors,
- &n_colors);
- }
- else
- {
- /* If there are less colors provided than the number of slots in the
- * color selection, we fill in the rest from the defaults.
- */
- if (n_colors < (GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT))
- {
- GdkColor *tmp_colors = colors;
- gint tmp_n_colors = n_colors;
-
- gtk_color_selection_palette_from_string (DEFAULT_COLOR_PALETTE,
- &colors,
- &n_colors);
- memcpy (colors, tmp_colors, sizeof (GdkColor) * tmp_n_colors);
-
- g_free (tmp_colors);
- }
- }
-
- /* make sure that we fill every slot */
- g_assert (n_colors == GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT);
- g_free (palette);
-
- return colors;
-}
-
-/* Changes the model color */
-static void
-palette_change_color (GtkWidget *drawing_area,
- GtkColorSelection *colorsel,
- gdouble *color)
-{
- gint x, y;
- GtkColorSelectionPrivate *priv;
- GdkColor gdk_color;
- GdkColor *current_colors;
- GdkScreen *screen;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (GTK_IS_DRAWING_AREA (drawing_area));
-
- priv = colorsel->private_data;
-
- gdk_color.red = UNSCALE (color[0]);
- gdk_color.green = UNSCALE (color[1]);
- gdk_color.blue = UNSCALE (color[2]);
- gdk_color.pixel = 0;
-
- x = 0;
- y = 0; /* Quiet GCC */
- while (x < GTK_CUSTOM_PALETTE_WIDTH)
- {
- y = 0;
- while (y < GTK_CUSTOM_PALETTE_HEIGHT)
- {
- if (priv->custom_palette[x][y] == drawing_area)
- goto out;
-
- ++y;
- }
-
- ++x;
- }
-
- out:
-
- g_assert (x < GTK_CUSTOM_PALETTE_WIDTH || y < GTK_CUSTOM_PALETTE_HEIGHT);
-
- current_colors = get_current_colors (colorsel);
- current_colors[y * GTK_CUSTOM_PALETTE_WIDTH + x] = gdk_color;
-
- screen = gtk_widget_get_screen (GTK_WIDGET (colorsel));
- if (change_palette_hook != default_change_palette_func)
- (* change_palette_hook) (screen, current_colors,
- GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT);
- else if (noscreen_change_palette_hook != default_noscreen_change_palette_func)
- {
- if (screen != gdk_screen_get_default ())
- g_warning ("gtk_color_selection_set_change_palette_hook used by "
- "widget is not on the default screen.");
- (* noscreen_change_palette_hook) (current_colors,
- GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT);
- }
- else
- (* change_palette_hook) (screen, current_colors,
- GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT);
-
- g_free (current_colors);
-}
-
-/* Changes the view color */
-static void
-palette_set_color (GtkWidget *drawing_area,
- GtkColorSelection *colorsel,
- gdouble *color)
-{
- gdouble *new_color = g_new (double, 4);
- GdkRGBA rgba;
-
- rgba.red = color[0];
- rgba.green = color[1];
- rgba.blue = color[2];
- rgba.alpha = 1;
-
- gtk_widget_override_background_color (drawing_area, GTK_STATE_FLAG_NORMAL, &rgba);
-
- if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (drawing_area), "color_set")) == 0)
- {
- static const GtkTargetEntry targets[] = {
- { "application/x-color", 0 }
- };
- gtk_drag_source_set (drawing_area,
- GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
- targets, 1,
- GDK_ACTION_COPY | GDK_ACTION_MOVE);
-
- g_signal_connect (drawing_area, "drag-begin",
- G_CALLBACK (palette_drag_begin),
- colorsel);
- g_signal_connect (drawing_area, "drag-data-get",
- G_CALLBACK (palette_drag_handle),
- colorsel);
-
- g_object_set_data (G_OBJECT (drawing_area), I_("color_set"),
- GINT_TO_POINTER (1));
- }
-
- new_color[0] = color[0];
- new_color[1] = color[1];
- new_color[2] = color[2];
- new_color[3] = 1.0;
-
- g_object_set_data_full (G_OBJECT (drawing_area),
- I_("color_val"), new_color, (GDestroyNotify)g_free);
-}
-
-static void
-save_color_selected (GtkWidget *menuitem,
- gpointer data)
-{
- GtkColorSelection *colorsel;
- GtkWidget *drawing_area;
- GtkColorSelectionPrivate *priv;
-
- drawing_area = GTK_WIDGET (data);
-
- colorsel = GTK_COLOR_SELECTION (g_object_get_data (G_OBJECT (drawing_area),
- "gtk-color-sel"));
-
- priv = colorsel->private_data;
-
- palette_change_color (drawing_area, colorsel, priv->color);
-}
-
-static void
-do_popup (GtkColorSelection *colorsel,
- GtkWidget *drawing_area,
- const GdkEvent *trigger_event)
-{
- GtkWidget *menu;
- GtkWidget *mi;
-
- g_object_set_data (G_OBJECT (drawing_area),
- I_("gtk-color-sel"),
- colorsel);
-
- menu = gtk_menu_new ();
- g_signal_connect (menu, "hide", G_CALLBACK (gtk_widget_destroy), NULL);
-
- mi = gtk_menu_item_new_with_mnemonic (_("_Save color here"));
-
- g_signal_connect (mi, "activate",
- G_CALLBACK (save_color_selected),
- drawing_area);
-
- gtk_menu_shell_append (GTK_MENU_SHELL (menu), mi);
-
- gtk_widget_show_all (mi);
-
- if (trigger_event && gdk_event_triggers_context_menu (trigger_event))
- gtk_menu_popup_at_pointer (GTK_MENU (menu), trigger_event);
- else
- gtk_menu_popup_at_widget (GTK_MENU (menu),
- drawing_area,
- GDK_GRAVITY_CENTER,
- GDK_GRAVITY_NORTH_WEST,
- trigger_event);
-}
-
-
-static gboolean
-palette_enter (GtkWidget *drawing_area,
- GdkEventCrossing *event,
- gpointer data)
-{
- g_object_set_data (G_OBJECT (drawing_area),
- I_("gtk-colorsel-have-pointer"),
- GUINT_TO_POINTER (TRUE));
-
- return FALSE;
-}
-
-static gboolean
-palette_leave (GtkWidget *drawing_area,
- GdkEventCrossing *event,
- gpointer data)
-{
- g_object_set_data (G_OBJECT (drawing_area),
- I_("gtk-colorsel-have-pointer"),
- NULL);
-
- return FALSE;
-}
-
-static gboolean
-palette_press (GtkWidget *drawing_area,
- GdkEventButton *event,
- gpointer data)
-{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (data);
-
- gtk_widget_grab_focus (drawing_area);
-
- if (gdk_event_triggers_context_menu ((GdkEvent *) event))
- {
- do_popup (colorsel, drawing_area, (GdkEvent *) event);
- return TRUE;
- }
-
- return FALSE;
-}
-
-static gboolean
-palette_release (GtkWidget *drawing_area,
- GdkEventButton *event,
- gpointer data)
-{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (data);
-
- gtk_widget_grab_focus (drawing_area);
-
- if (event->button == GDK_BUTTON_PRIMARY &&
- g_object_get_data (G_OBJECT (drawing_area),
- "gtk-colorsel-have-pointer") != NULL)
- {
- if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (drawing_area), "color_set")) != 0)
- {
- gdouble color[4];
- palette_get_color (drawing_area, color);
- set_color_internal (colorsel, color);
- }
- }
-
- return FALSE;
-}
-
-static void
-palette_drop_handle (GtkWidget *widget,
- GdkDragContext *context,
- gint x,
- gint y,
- GtkSelectionData *selection_data,
- guint info,
- guint time,
- gpointer data)
-{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (data);
- gint length;
- guint16 *vals;
- gdouble color[4];
-
- length = gtk_selection_data_get_length (selection_data);
-
- if (length < 0)
- return;
-
- /* We accept drops with the wrong format, since the KDE color
- * chooser incorrectly drops application/x-color with format 8.
- */
- if (length != 8)
- {
- g_warning ("Received invalid color data");
- return;
- }
-
- vals = (guint16 *) gtk_selection_data_get_data (selection_data);
-
- color[0] = (gdouble)vals[0] / 0xffff;
- color[1] = (gdouble)vals[1] / 0xffff;
- color[2] = (gdouble)vals[2] / 0xffff;
- color[3] = (gdouble)vals[3] / 0xffff;
- palette_change_color (widget, colorsel, color);
- set_color_internal (colorsel, color);
-}
-
-static gint
-palette_activate (GtkWidget *widget,
- GdkEventKey *event,
- gpointer data)
-{
- /* should have a drawing area subclass with an activate signal */
- if ((event->keyval == GDK_KEY_space) ||
- (event->keyval == GDK_KEY_Return) ||
- (event->keyval == GDK_KEY_ISO_Enter) ||
- (event->keyval == GDK_KEY_KP_Enter) ||
- (event->keyval == GDK_KEY_KP_Space))
- {
- if (GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "color_set")) != 0)
- {
- gdouble color[4];
- palette_get_color (widget, color);
- set_color_internal (GTK_COLOR_SELECTION (data), color);
- }
- return TRUE;
- }
-
- return FALSE;
-}
-
-static gboolean
-palette_popup (GtkWidget *widget,
- gpointer data)
-{
- do_popup (data, widget, NULL);
- return TRUE;
-}
-
-
-static GtkWidget*
-palette_new (GtkColorSelection *colorsel)
-{
- GtkWidget *retval;
-
- static const GtkTargetEntry targets[] = {
- { "application/x-color", 0 }
- };
-
- retval = gtk_drawing_area_new ();
-
- gtk_widget_set_can_focus (retval, TRUE);
-
- g_object_set_data (G_OBJECT (retval), I_("color_set"), GINT_TO_POINTER (0));
- gtk_widget_set_events (retval, GDK_BUTTON_PRESS_MASK
- | GDK_BUTTON_RELEASE_MASK
- | GDK_ENTER_NOTIFY_MASK
- | GDK_LEAVE_NOTIFY_MASK);
-
- g_signal_connect (retval, "draw",
- G_CALLBACK (palette_draw), colorsel);
- g_signal_connect (retval, "button-press-event",
- G_CALLBACK (palette_press), colorsel);
- g_signal_connect (retval, "button-release-event",
- G_CALLBACK (palette_release), colorsel);
- g_signal_connect (retval, "enter-notify-event",
- G_CALLBACK (palette_enter), colorsel);
- g_signal_connect (retval, "leave-notify-event",
- G_CALLBACK (palette_leave), colorsel);
- g_signal_connect (retval, "key-press-event",
- G_CALLBACK (palette_activate), colorsel);
- g_signal_connect (retval, "popup-menu",
- G_CALLBACK (palette_popup), colorsel);
-
- gtk_drag_dest_set (retval,
- GTK_DEST_DEFAULT_HIGHLIGHT |
- GTK_DEST_DEFAULT_MOTION |
- GTK_DEST_DEFAULT_DROP,
- targets, 1,
- GDK_ACTION_COPY);
-
- g_signal_connect (retval, "drag-end",
- G_CALLBACK (palette_drag_end), NULL);
- g_signal_connect (retval, "drag-data-received",
- G_CALLBACK (palette_drop_handle), colorsel);
-
- gtk_widget_set_tooltip_text (retval,
- _("Click this palette entry to make it the current color. "
- "To change this entry, drag a color swatch here or right-click "
- "it and select “Save color here.”"));
- return retval;
-}
-
-
-/* The actual GtkColorSelection widget */
-
-static GdkCursor *
-make_picker_cursor (GdkScreen *screen)
-{
- GdkCursor *cursor;
-
- cursor = gdk_cursor_new_from_name (gdk_screen_get_display (screen),
- "color-picker");
-
- if (!cursor)
- {
- GdkPixbuf *pixbuf;
-
- pixbuf = gdk_pixbuf_new_from_data (dropper_bits,
- GDK_COLORSPACE_RGB, TRUE, 8,
- DROPPER_WIDTH, DROPPER_HEIGHT,
- DROPPER_STRIDE,
- NULL, NULL);
-
- cursor = gdk_cursor_new_from_pixbuf (gdk_screen_get_display (screen),
- pixbuf,
- DROPPER_X_HOT, DROPPER_Y_HOT);
-
- g_object_unref (pixbuf);
- }
-
- return cursor;
-}
-
-static void
-grab_color_at_pointer (GdkScreen *screen,
- GdkDevice *device,
- gint x_root,
- gint y_root,
- gpointer data)
-{
- GdkPixbuf *pixbuf;
- guchar *pixels;
- GtkColorSelection *colorsel = data;
- GtkColorSelectionPrivate *priv;
- GdkColor color;
- GdkWindow *root_window = gdk_screen_get_root_window (screen);
-
- priv = colorsel->private_data;
-
- pixbuf = gdk_pixbuf_get_from_window (root_window,
- x_root, y_root,
- 1, 1);
- if (!pixbuf)
- {
- gint x, y;
- GdkWindow *window = gdk_device_get_window_at_position (device, &x, &y);
- if (!window)
- return;
- pixbuf = gdk_pixbuf_get_from_window (window,
- x, y,
- 1, 1);
- if (!pixbuf)
- return;
- }
- pixels = gdk_pixbuf_get_pixels (pixbuf);
- color.red = pixels[0] * 0x101;
- color.green = pixels[1] * 0x101;
- color.blue = pixels[2] * 0x101;
- g_object_unref (pixbuf);
-
- priv->color[COLORSEL_RED] = SCALE (color.red);
- priv->color[COLORSEL_GREEN] = SCALE (color.green);
- priv->color[COLORSEL_BLUE] = SCALE (color.blue);
-
- gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
- priv->color[COLORSEL_GREEN],
- priv->color[COLORSEL_BLUE],
- &priv->color[COLORSEL_HUE],
- &priv->color[COLORSEL_SATURATION],
- &priv->color[COLORSEL_VALUE]);
-
- update_color (colorsel);
-}
-
-static void
-shutdown_eyedropper (GtkWidget *widget)
-{
- GtkColorSelection *colorsel;
- GtkColorSelectionPrivate *priv;
-
- colorsel = GTK_COLOR_SELECTION (widget);
- priv = colorsel->private_data;
-
- if (priv->has_grab)
- {
- gdk_device_ungrab (priv->keyboard_device, priv->grab_time);
- gdk_device_ungrab (priv->pointer_device, priv->grab_time);
- gtk_device_grab_remove (priv->dropper_grab_widget, priv->pointer_device);
-
- priv->has_grab = FALSE;
- priv->keyboard_device = NULL;
- priv->pointer_device = NULL;
- }
-}
-
-static void
-mouse_motion (GtkWidget *invisible,
- GdkEventMotion *event,
- gpointer data)
-{
- grab_color_at_pointer (gdk_event_get_screen ((GdkEvent *) event),
- gdk_event_get_device ((GdkEvent *) event),
- event->x_root, event->y_root, data);
-}
-
-static gboolean
-mouse_release (GtkWidget *invisible,
- GdkEventButton *event,
- gpointer data)
-{
- /* GtkColorSelection *colorsel = data; */
-
- if (event->button != GDK_BUTTON_PRIMARY)
- return FALSE;
-
- grab_color_at_pointer (gdk_event_get_screen ((GdkEvent *) event),
- gdk_event_get_device ((GdkEvent *) event),
- event->x_root, event->y_root, data);
-
- shutdown_eyedropper (GTK_WIDGET (data));
-
- g_signal_handlers_disconnect_by_func (invisible,
- mouse_motion,
- data);
- g_signal_handlers_disconnect_by_func (invisible,
- mouse_release,
- data);
-
- return TRUE;
-}
-
-/* Helper Functions */
-
-static gboolean
-key_press (GtkWidget *invisible,
- GdkEventKey *event,
- gpointer data)
-{
- GdkScreen *screen = gdk_event_get_screen ((GdkEvent *) event);
- GdkDevice *device, *pointer_device;
- guint state = event->state & gtk_accelerator_get_default_mod_mask ();
- gint x, y;
- gint dx, dy;
-
- device = gdk_event_get_device ((GdkEvent * ) event);
- pointer_device = gdk_device_get_associated_device (device);
- gdk_device_get_position (pointer_device, NULL, &x, &y);
-
- dx = 0;
- dy = 0;
-
- switch (event->keyval)
- {
- case GDK_KEY_space:
- case GDK_KEY_Return:
- case GDK_KEY_ISO_Enter:
- case GDK_KEY_KP_Enter:
- case GDK_KEY_KP_Space:
- grab_color_at_pointer (screen, pointer_device, x, y, data);
- /* fall through */
-
- case GDK_KEY_Escape:
- shutdown_eyedropper (data);
-
- g_signal_handlers_disconnect_by_func (invisible,
- mouse_press,
- data);
- g_signal_handlers_disconnect_by_func (invisible,
- key_press,
- data);
-
- return TRUE;
-
- case GDK_KEY_Up:
- case GDK_KEY_KP_Up:
- dy = state == GDK_MOD1_MASK ? -BIG_STEP : -1;
- break;
-
- case GDK_KEY_Down:
- case GDK_KEY_KP_Down:
- dy = state == GDK_MOD1_MASK ? BIG_STEP : 1;
- break;
-
- case GDK_KEY_Left:
- case GDK_KEY_KP_Left:
- dx = state == GDK_MOD1_MASK ? -BIG_STEP : -1;
- break;
-
- case GDK_KEY_Right:
- case GDK_KEY_KP_Right:
- dx = state == GDK_MOD1_MASK ? BIG_STEP : 1;
- break;
-
- default:
- return FALSE;
- }
-
- gdk_device_warp (pointer_device, screen, x + dx, y + dy);
-
- return TRUE;
-
-}
-
-static gboolean
-mouse_press (GtkWidget *invisible,
- GdkEventButton *event,
- gpointer data)
-{
- if (event->type == GDK_BUTTON_PRESS && event->button == GDK_BUTTON_PRIMARY)
- {
- g_signal_connect (invisible, "motion-notify-event",
- G_CALLBACK (mouse_motion), data);
- g_signal_connect (invisible, "button-release-event",
- G_CALLBACK (mouse_release), data);
- g_signal_handlers_disconnect_by_func (invisible,
- mouse_press,
- data);
- g_signal_handlers_disconnect_by_func (invisible,
- key_press,
- data);
- return TRUE;
- }
-
- return FALSE;
-}
-
-/* when the button is clicked */
-static void
-get_screen_color (GtkWidget *button)
-{
- GtkColorSelection *colorsel = g_object_get_data (G_OBJECT (button), "COLORSEL");
- GtkColorSelectionPrivate *priv = colorsel->private_data;
- GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (button));
- GdkDevice *device, *keyb_device, *pointer_device;
- GdkCursor *picker_cursor;
- GdkGrabStatus grab_status;
- GdkWindow *window;
- GtkWidget *grab_widget, *toplevel;
-
- guint32 time = gtk_get_current_event_time ();
-
- device = gtk_get_current_event_device ();
-
- if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
- {
- keyb_device = device;
- pointer_device = gdk_device_get_associated_device (device);
- }
- else
- {
- pointer_device = device;
- keyb_device = gdk_device_get_associated_device (device);
- }
-
- if (priv->dropper_grab_widget == NULL)
- {
- grab_widget = gtk_window_new (GTK_WINDOW_POPUP);
- gtk_window_set_screen (GTK_WINDOW (grab_widget), screen);
- gtk_window_resize (GTK_WINDOW (grab_widget), 1, 1);
- gtk_window_move (GTK_WINDOW (grab_widget), -100, -100);
- gtk_widget_show (grab_widget);
-
- gtk_widget_add_events (grab_widget,
- GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
-
- toplevel = gtk_widget_get_toplevel (GTK_WIDGET (colorsel));
-
- if (GTK_IS_WINDOW (toplevel))
- {
- if (gtk_window_has_group (GTK_WINDOW (toplevel)))
- gtk_window_group_add_window (gtk_window_get_group (GTK_WINDOW (toplevel)),
- GTK_WINDOW (grab_widget));
- }
-
- priv->dropper_grab_widget = grab_widget;
- }
-
- window = gtk_widget_get_window (priv->dropper_grab_widget);
-
- if (gdk_device_grab (keyb_device,
- window,
- GDK_OWNERSHIP_APPLICATION, FALSE,
- GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
- NULL, time) != GDK_GRAB_SUCCESS)
- return;
-
- picker_cursor = make_picker_cursor (screen);
- grab_status = gdk_device_grab (pointer_device,
- window,
- GDK_OWNERSHIP_APPLICATION,
- FALSE,
- GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK,
- picker_cursor,
- time);
- g_object_unref (picker_cursor);
-
- if (grab_status != GDK_GRAB_SUCCESS)
- {
- gdk_device_ungrab (keyb_device, time);
- return;
- }
-
- gtk_device_grab_add (priv->dropper_grab_widget,
- pointer_device,
- TRUE);
-
- priv->grab_time = time;
- priv->has_grab = TRUE;
- priv->keyboard_device = keyb_device;
- priv->pointer_device = pointer_device;
-
- g_signal_connect (priv->dropper_grab_widget, "button-press-event",
- G_CALLBACK (mouse_press), colorsel);
- g_signal_connect (priv->dropper_grab_widget, "key-press-event",
- G_CALLBACK (key_press), colorsel);
-}
-
-static void
-hex_changed (GtkWidget *hex_entry,
- gpointer data)
-{
- GtkColorSelection *colorsel;
- GtkColorSelectionPrivate *priv;
- GdkRGBA color;
- gchar *text;
-
- colorsel = GTK_COLOR_SELECTION (data);
- priv = colorsel->private_data;
-
- if (priv->changing)
- return;
-
- text = gtk_editable_get_chars (GTK_EDITABLE (priv->hex_entry), 0, -1);
- if (gdk_rgba_parse (&color, text))
- {
- priv->color[COLORSEL_RED] = color.red;
- priv->color[COLORSEL_GREEN] = color.green;
- priv->color[COLORSEL_BLUE] = color.blue;
- gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
- priv->color[COLORSEL_GREEN],
- priv->color[COLORSEL_BLUE],
- &priv->color[COLORSEL_HUE],
- &priv->color[COLORSEL_SATURATION],
- &priv->color[COLORSEL_VALUE]);
- update_color (colorsel);
- }
- g_free (text);
-}
-
-static gboolean
-hex_focus_out (GtkWidget *hex_entry,
- GdkEventFocus *event,
- gpointer data)
-{
- hex_changed (hex_entry, data);
-
- return FALSE;
-}
-
-static void
-hsv_changed (GtkWidget *hsv,
- gpointer data)
-{
- GtkColorSelection *colorsel;
- GtkColorSelectionPrivate *priv;
-
- colorsel = GTK_COLOR_SELECTION (data);
- priv = colorsel->private_data;
-
- if (priv->changing)
- return;
-
- gtk_hsv_get_color (GTK_HSV (hsv),
- &priv->color[COLORSEL_HUE],
- &priv->color[COLORSEL_SATURATION],
- &priv->color[COLORSEL_VALUE]);
- gtk_hsv_to_rgb (priv->color[COLORSEL_HUE],
- priv->color[COLORSEL_SATURATION],
- priv->color[COLORSEL_VALUE],
- &priv->color[COLORSEL_RED],
- &priv->color[COLORSEL_GREEN],
- &priv->color[COLORSEL_BLUE]);
- update_color (colorsel);
-}
-
-static void
-adjustment_changed (GtkAdjustment *adjustment,
- gpointer data)
-{
- GtkColorSelection *colorsel;
- GtkColorSelectionPrivate *priv;
-
- colorsel = GTK_COLOR_SELECTION (g_object_get_data (G_OBJECT (adjustment), "COLORSEL"));
- priv = colorsel->private_data;
-
- if (priv->changing)
- return;
-
- switch (GPOINTER_TO_INT (data))
- {
- case COLORSEL_SATURATION:
- case COLORSEL_VALUE:
- priv->color[GPOINTER_TO_INT (data)] = gtk_adjustment_get_value (adjustment) / 100;
- gtk_hsv_to_rgb (priv->color[COLORSEL_HUE],
- priv->color[COLORSEL_SATURATION],
- priv->color[COLORSEL_VALUE],
- &priv->color[COLORSEL_RED],
- &priv->color[COLORSEL_GREEN],
- &priv->color[COLORSEL_BLUE]);
- break;
- case COLORSEL_HUE:
- priv->color[GPOINTER_TO_INT (data)] = gtk_adjustment_get_value (adjustment) / 360;
- gtk_hsv_to_rgb (priv->color[COLORSEL_HUE],
- priv->color[COLORSEL_SATURATION],
- priv->color[COLORSEL_VALUE],
- &priv->color[COLORSEL_RED],
- &priv->color[COLORSEL_GREEN],
- &priv->color[COLORSEL_BLUE]);
- break;
- case COLORSEL_RED:
- case COLORSEL_GREEN:
- case COLORSEL_BLUE:
- priv->color[GPOINTER_TO_INT (data)] = gtk_adjustment_get_value (adjustment) / 255;
-
- gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
- priv->color[COLORSEL_GREEN],
- priv->color[COLORSEL_BLUE],
- &priv->color[COLORSEL_HUE],
- &priv->color[COLORSEL_SATURATION],
- &priv->color[COLORSEL_VALUE]);
- break;
- default:
- priv->color[GPOINTER_TO_INT (data)] = gtk_adjustment_get_value (adjustment) / 255;
- break;
- }
- update_color (colorsel);
-}
-
-static void
-opacity_entry_changed (GtkWidget *opacity_entry,
- gpointer data)
-{
- GtkColorSelection *colorsel;
- GtkColorSelectionPrivate *priv;
- GtkAdjustment *adj;
- gchar *text;
-
- colorsel = GTK_COLOR_SELECTION (data);
- priv = colorsel->private_data;
-
- if (priv->changing)
- return;
-
- text = gtk_editable_get_chars (GTK_EDITABLE (priv->opacity_entry), 0, -1);
- adj = gtk_range_get_adjustment (GTK_RANGE (priv->opacity_slider));
- gtk_adjustment_set_value (adj, g_strtod (text, NULL));
-
- update_color (colorsel);
-
- g_free (text);
-}
-
-static void
-make_label_spinbutton (GtkColorSelection *colorsel,
- GtkWidget **spinbutton,
- gchar *text,
- GtkWidget *table,
- gint i,
- gint j,
- gint channel_type,
- const gchar *tooltip)
-{
- GtkWidget *label;
- GtkAdjustment *adjust;
-
- if (channel_type == COLORSEL_HUE)
- {
- adjust = gtk_adjustment_new (0.0, 0.0, 360.0, 1.0, 1.0, 0.0);
- }
- else if (channel_type == COLORSEL_SATURATION ||
- channel_type == COLORSEL_VALUE)
- {
- adjust = gtk_adjustment_new (0.0, 0.0, 100.0, 1.0, 1.0, 0.0);
- }
- else
- {
- adjust = gtk_adjustment_new (0.0, 0.0, 255.0, 1.0, 1.0, 0.0);
- }
- g_object_set_data (G_OBJECT (adjust), I_("COLORSEL"), colorsel);
- *spinbutton = gtk_spin_button_new (adjust, 10.0, 0);
-
- gtk_widget_set_tooltip_text (*spinbutton, tooltip);
-
- g_signal_connect (adjust, "value-changed",
- G_CALLBACK (adjustment_changed),
- GINT_TO_POINTER (channel_type));
- label = gtk_label_new_with_mnemonic (text);
- gtk_label_set_mnemonic_widget (GTK_LABEL (label), *spinbutton);
-
- gtk_widget_set_halign (label, GTK_ALIGN_START);
- gtk_widget_set_valign (label, GTK_ALIGN_CENTER);
- gtk_grid_attach (GTK_GRID (table), label, i, j, 1, 1);
- gtk_grid_attach (GTK_GRID (table), *spinbutton, i+1, j, 1, 1);
-}
-
-static void
-make_palette_frame (GtkColorSelection *colorsel,
- GtkWidget *table,
- gint i,
- gint j)
-{
- GtkWidget *frame;
- GtkColorSelectionPrivate *priv;
-
- priv = colorsel->private_data;
- frame = gtk_frame_new (NULL);
- gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
- priv->custom_palette[i][j] = palette_new (colorsel);
- gtk_widget_set_size_request (priv->custom_palette[i][j], CUSTOM_PALETTE_ENTRY_WIDTH, CUSTOM_PALETTE_ENTRY_HEIGHT);
- gtk_container_add (GTK_CONTAINER (frame), priv->custom_palette[i][j]);
- gtk_grid_attach (GTK_GRID (table), frame, i, j, 1, 1);
-}
-
-/* Set the palette entry [x][y] to be the currently selected one. */
-static void
-set_selected_palette (GtkColorSelection *colorsel, int x, int y)
-{
- GtkColorSelectionPrivate *priv = colorsel->private_data;
-
- gtk_widget_grab_focus (priv->custom_palette[x][y]);
-}
-
-static double
-scale_round (double val, double factor)
-{
- val = floor (val * factor + 0.5);
- val = MAX (val, 0);
- val = MIN (val, factor);
- return val;
-}
-
-static void
-update_color (GtkColorSelection *colorsel)
-{
- GtkColorSelectionPrivate *priv = colorsel->private_data;
- gchar entryval[12];
- gchar opacity_text[32];
- gchar *ptr;
-
- priv->changing = TRUE;
- color_sample_update_samples (colorsel);
-
- gtk_hsv_set_color (GTK_HSV (priv->triangle_colorsel),
- priv->color[COLORSEL_HUE],
- priv->color[COLORSEL_SATURATION],
- priv->color[COLORSEL_VALUE]);
- gtk_adjustment_set_value (gtk_spin_button_get_adjustment
- (GTK_SPIN_BUTTON (priv->hue_spinbutton)),
- scale_round (priv->color[COLORSEL_HUE], 360));
- gtk_adjustment_set_value (gtk_spin_button_get_adjustment
- (GTK_SPIN_BUTTON (priv->sat_spinbutton)),
- scale_round (priv->color[COLORSEL_SATURATION], 100));
- gtk_adjustment_set_value (gtk_spin_button_get_adjustment
- (GTK_SPIN_BUTTON (priv->val_spinbutton)),
- scale_round (priv->color[COLORSEL_VALUE], 100));
- gtk_adjustment_set_value (gtk_spin_button_get_adjustment
- (GTK_SPIN_BUTTON (priv->red_spinbutton)),
- scale_round (priv->color[COLORSEL_RED], 255));
- gtk_adjustment_set_value (gtk_spin_button_get_adjustment
- (GTK_SPIN_BUTTON (priv->green_spinbutton)),
- scale_round (priv->color[COLORSEL_GREEN], 255));
- gtk_adjustment_set_value (gtk_spin_button_get_adjustment
- (GTK_SPIN_BUTTON (priv->blue_spinbutton)),
- scale_round (priv->color[COLORSEL_BLUE], 255));
- gtk_adjustment_set_value (gtk_range_get_adjustment
- (GTK_RANGE (priv->opacity_slider)),
- scale_round (priv->color[COLORSEL_OPACITY], 255));
-
- g_snprintf (opacity_text, 32, "%.0f", scale_round (priv->color[COLORSEL_OPACITY], 255));
- gtk_entry_set_text (GTK_ENTRY (priv->opacity_entry), opacity_text);
-
- g_snprintf (entryval, 11, "#%2X%2X%2X",
- (guint) (scale_round (priv->color[COLORSEL_RED], 255)),
- (guint) (scale_round (priv->color[COLORSEL_GREEN], 255)),
- (guint) (scale_round (priv->color[COLORSEL_BLUE], 255)));
-
- for (ptr = entryval; *ptr; ptr++)
- if (*ptr == ' ')
- *ptr = '0';
- gtk_entry_set_text (GTK_ENTRY (priv->hex_entry), entryval);
- priv->changing = FALSE;
-
- g_object_ref (colorsel);
-
- g_signal_emit (colorsel, color_selection_signals[COLOR_CHANGED], 0);
-
- g_object_freeze_notify (G_OBJECT (colorsel));
- g_object_notify (G_OBJECT (colorsel), "current-color");
- g_object_notify (G_OBJECT (colorsel), "current-alpha");
- g_object_thaw_notify (G_OBJECT (colorsel));
-
- g_object_unref (colorsel);
-}
-
-static void
-update_palette (GtkColorSelection *colorsel)
-{
- GdkColor *current_colors;
- gint i, j;
-
- current_colors = get_current_colors (colorsel);
-
- for (i = 0; i < GTK_CUSTOM_PALETTE_HEIGHT; i++)
- {
- for (j = 0; j < GTK_CUSTOM_PALETTE_WIDTH; j++)
- {
- gint index;
-
- index = i * GTK_CUSTOM_PALETTE_WIDTH + j;
-
- gtk_color_selection_set_palette_color (colorsel,
- index,
- ¤t_colors[index]);
- }
- }
-
- g_free (current_colors);
-}
-
-static void
-palette_change_notify_instance (GObject *object,
- GParamSpec *pspec,
- gpointer data)
-{
- update_palette (GTK_COLOR_SELECTION (data));
-}
-
-static void
-default_noscreen_change_palette_func (const GdkColor *colors,
- gint n_colors)
-{
- default_change_palette_func (gdk_screen_get_default (), colors, n_colors);
-}
-
-static void
-default_change_palette_func (GdkScreen *screen,
- const GdkColor *colors,
- gint n_colors)
-{
- gchar *str;
-
- str = gtk_color_selection_palette_to_string (colors, n_colors);
-
- gtk_settings_set_string_property (gtk_settings_get_for_screen (screen),
- "gtk-color-palette",
- str,
- "gtk_color_selection_palette_to_string");
-
- g_free (str);
-}
-
-/**
- * gtk_color_selection_new:
- *
- * Creates a new GtkColorSelection.
- *
- * Returns: a new #GtkColorSelection
- */
-GtkWidget *
-gtk_color_selection_new (void)
-{
- GtkColorSelection *colorsel;
- GtkColorSelectionPrivate *priv;
- gdouble color[4];
- color[0] = 1.0;
- color[1] = 1.0;
- color[2] = 1.0;
- color[3] = 1.0;
-
- colorsel = g_object_new (GTK_TYPE_COLOR_SELECTION, NULL);
- priv = colorsel->private_data;
- set_color_internal (colorsel, color);
- gtk_color_selection_set_has_opacity_control (colorsel, TRUE);
-
- /* We want to make sure that default_set is FALSE.
- * This way the user can still set it.
- */
- priv->default_set = FALSE;
- priv->default_alpha_set = FALSE;
-
- return GTK_WIDGET (colorsel);
-}
-
-/**
- * gtk_color_selection_get_has_opacity_control:
- * @colorsel: a #GtkColorSelection
- *
- * Determines whether the colorsel has an opacity control.
- *
- * Returns: %TRUE if the @colorsel has an opacity control,
- * %FALSE if it does't
- */
-gboolean
-gtk_color_selection_get_has_opacity_control (GtkColorSelection *colorsel)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_val_if_fail (GTK_IS_COLOR_SELECTION (colorsel), FALSE);
-
- priv = colorsel->private_data;
-
- return priv->has_opacity;
-}
-
-/**
- * gtk_color_selection_set_has_opacity_control:
- * @colorsel: a #GtkColorSelection
- * @has_opacity: %TRUE if @colorsel can set the opacity, %FALSE otherwise
- *
- * Sets the @colorsel to use or not use opacity.
- */
-void
-gtk_color_selection_set_has_opacity_control (GtkColorSelection *colorsel,
- gboolean has_opacity)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
-
- priv = colorsel->private_data;
- has_opacity = has_opacity != FALSE;
-
- if (priv->has_opacity != has_opacity)
- {
- priv->has_opacity = has_opacity;
- if (has_opacity)
- {
- gtk_widget_show (priv->opacity_slider);
- gtk_widget_show (priv->opacity_label);
- gtk_widget_show (priv->opacity_entry);
- }
- else
- {
- gtk_widget_hide (priv->opacity_slider);
- gtk_widget_hide (priv->opacity_label);
- gtk_widget_hide (priv->opacity_entry);
- }
- color_sample_update_samples (colorsel);
-
- g_object_notify (G_OBJECT (colorsel), "has-opacity-control");
- }
-}
-
-/**
- * gtk_color_selection_get_has_palette:
- * @colorsel: a #GtkColorSelection
- *
- * Determines whether the color selector has a color palette.
- *
- * Returns: %TRUE if the selector has a palette, %FALSE if it hasn't
- */
-gboolean
-gtk_color_selection_get_has_palette (GtkColorSelection *colorsel)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_val_if_fail (GTK_IS_COLOR_SELECTION (colorsel), FALSE);
-
- priv = colorsel->private_data;
-
- return priv->has_palette;
-}
-
-/**
- * gtk_color_selection_set_has_palette:
- * @colorsel: a #GtkColorSelection
- * @has_palette: %TRUE if palette is to be visible, %FALSE otherwise
- *
- * Shows and hides the palette based upon the value of @has_palette.
- */
-void
-gtk_color_selection_set_has_palette (GtkColorSelection *colorsel,
- gboolean has_palette)
-{
- GtkColorSelectionPrivate *priv;
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
-
- priv = colorsel->private_data;
- has_palette = has_palette != FALSE;
-
- if (priv->has_palette != has_palette)
- {
- priv->has_palette = has_palette;
- if (has_palette)
- gtk_widget_show (priv->palette_frame);
- else
- gtk_widget_hide (priv->palette_frame);
-
- update_tooltips (colorsel);
-
- g_object_notify (G_OBJECT (colorsel), "has-palette");
- }
-}
-
-/**
- * gtk_color_selection_set_current_color:
- * @colorsel: a #GtkColorSelection
- * @color: a #GdkColor to set the current color with
- *
- * Sets the current color to be @color.
- *
- * The first time this is called, it will also set
- * the original color to be @color too.
- *
- * Deprecated: 3.4: Use gtk_color_selection_set_current_rgba() instead.
- */
-void
-gtk_color_selection_set_current_color (GtkColorSelection *colorsel,
- const GdkColor *color)
-{
- GtkColorSelectionPrivate *priv;
- gint i;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (color != NULL);
-
- priv = colorsel->private_data;
- priv->changing = TRUE;
- priv->color[COLORSEL_RED] = SCALE (color->red);
- priv->color[COLORSEL_GREEN] = SCALE (color->green);
- priv->color[COLORSEL_BLUE] = SCALE (color->blue);
- gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
- priv->color[COLORSEL_GREEN],
- priv->color[COLORSEL_BLUE],
- &priv->color[COLORSEL_HUE],
- &priv->color[COLORSEL_SATURATION],
- &priv->color[COLORSEL_VALUE]);
- if (priv->default_set == FALSE)
- {
- for (i = 0; i < COLORSEL_NUM_CHANNELS; i++)
- priv->old_color[i] = priv->color[i];
- }
- priv->default_set = TRUE;
- update_color (colorsel);
-}
-
-/**
- * gtk_color_selection_set_current_alpha:
- * @colorsel: a #GtkColorSelection
- * @alpha: an integer between 0 and 65535
- *
- * Sets the current opacity to be @alpha.
- *
- * The first time this is called, it will also set
- * the original opacity to be @alpha too.
- */
-void
-gtk_color_selection_set_current_alpha (GtkColorSelection *colorsel,
- guint16 alpha)
-{
- GtkColorSelectionPrivate *priv;
- gint i;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
-
- priv = colorsel->private_data;
- priv->changing = TRUE;
- priv->color[COLORSEL_OPACITY] = SCALE (alpha);
- if (priv->default_alpha_set == FALSE)
- {
- for (i = 0; i < COLORSEL_NUM_CHANNELS; i++)
- priv->old_color[i] = priv->color[i];
- }
- priv->default_alpha_set = TRUE;
- update_color (colorsel);
-}
-
-/**
- * gtk_color_selection_get_current_color:
- * @colorsel: a #GtkColorSelection
- * @color: (out): a #GdkColor to fill in with the current color
- *
- * Sets @color to be the current color in the GtkColorSelection widget.
- *
- * Deprecated: 3.4: Use gtk_color_selection_get_current_rgba() instead.
- */
-void
-gtk_color_selection_get_current_color (GtkColorSelection *colorsel,
- GdkColor *color)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (color != NULL);
-
- priv = colorsel->private_data;
- color->red = UNSCALE (priv->color[COLORSEL_RED]);
- color->green = UNSCALE (priv->color[COLORSEL_GREEN]);
- color->blue = UNSCALE (priv->color[COLORSEL_BLUE]);
-}
-
-/**
- * gtk_color_selection_get_current_alpha:
- * @colorsel: a #GtkColorSelection
- *
- * Returns the current alpha value.
- *
- * Returns: an integer between 0 and 65535
- */
-guint16
-gtk_color_selection_get_current_alpha (GtkColorSelection *colorsel)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_val_if_fail (GTK_IS_COLOR_SELECTION (colorsel), 0);
-
- priv = colorsel->private_data;
- return priv->has_opacity ? UNSCALE (priv->color[COLORSEL_OPACITY]) : 65535;
-}
-
-/**
- * gtk_color_selection_set_previous_color:
- * @colorsel: a #GtkColorSelection
- * @color: a #GdkColor to set the previous color with
- *
- * Sets the “previous” color to be @color.
- *
- * This function should be called with some hesitations,
- * as it might seem confusing to have that color change.
- * Calling gtk_color_selection_set_current_color() will also
- * set this color the first time it is called.
- *
- * Deprecated: 3.4: Use gtk_color_selection_set_previous_rgba() instead.
- */
-void
-gtk_color_selection_set_previous_color (GtkColorSelection *colorsel,
- const GdkColor *color)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (color != NULL);
-
- priv = colorsel->private_data;
- priv->changing = TRUE;
- priv->old_color[COLORSEL_RED] = SCALE (color->red);
- priv->old_color[COLORSEL_GREEN] = SCALE (color->green);
- priv->old_color[COLORSEL_BLUE] = SCALE (color->blue);
- gtk_rgb_to_hsv (priv->old_color[COLORSEL_RED],
- priv->old_color[COLORSEL_GREEN],
- priv->old_color[COLORSEL_BLUE],
- &priv->old_color[COLORSEL_HUE],
- &priv->old_color[COLORSEL_SATURATION],
- &priv->old_color[COLORSEL_VALUE]);
- color_sample_update_samples (colorsel);
- priv->default_set = TRUE;
- priv->changing = FALSE;
-}
-
-/**
- * gtk_color_selection_set_previous_alpha:
- * @colorsel: a #GtkColorSelection
- * @alpha: an integer between 0 and 65535
- *
- * Sets the “previous” alpha to be @alpha.
- *
- * This function should be called with some hesitations,
- * as it might seem confusing to have that alpha change.
- */
-void
-gtk_color_selection_set_previous_alpha (GtkColorSelection *colorsel,
- guint16 alpha)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
-
- priv = colorsel->private_data;
- priv->changing = TRUE;
- priv->old_color[COLORSEL_OPACITY] = SCALE (alpha);
- color_sample_update_samples (colorsel);
- priv->default_alpha_set = TRUE;
- priv->changing = FALSE;
-}
-
-
-/**
- * gtk_color_selection_get_previous_color:
- * @colorsel: a #GtkColorSelection
- * @color: (out): a #GdkColor to fill in with the original color value
- *
- * Fills @color in with the original color value.
- *
- * Deprecated: 3.4: Use gtk_color_selection_get_previous_rgba() instead.
- */
-void
-gtk_color_selection_get_previous_color (GtkColorSelection *colorsel,
- GdkColor *color)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (color != NULL);
-
- priv = colorsel->private_data;
- color->red = UNSCALE (priv->old_color[COLORSEL_RED]);
- color->green = UNSCALE (priv->old_color[COLORSEL_GREEN]);
- color->blue = UNSCALE (priv->old_color[COLORSEL_BLUE]);
-}
-
-/**
- * gtk_color_selection_get_previous_alpha:
- * @colorsel: a #GtkColorSelection
- *
- * Returns the previous alpha value.
- *
- * Returns: an integer between 0 and 65535
- */
-guint16
-gtk_color_selection_get_previous_alpha (GtkColorSelection *colorsel)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_val_if_fail (GTK_IS_COLOR_SELECTION (colorsel), 0);
-
- priv = colorsel->private_data;
- return priv->has_opacity ? UNSCALE (priv->old_color[COLORSEL_OPACITY]) : 65535;
-}
-
-/**
- * gtk_color_selection_set_current_rgba:
- * @colorsel: a #GtkColorSelection
- * @rgba: A #GdkRGBA to set the current color with
- *
- * Sets the current color to be @rgba.
- *
- * The first time this is called, it will also set
- * the original color to be @rgba too.
- *
- * Since: 3.0
- */
-void
-gtk_color_selection_set_current_rgba (GtkColorSelection *colorsel,
- const GdkRGBA *rgba)
-{
- GtkColorSelectionPrivate *priv;
- gint i;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (rgba != NULL);
-
- priv = colorsel->private_data;
- priv->changing = TRUE;
-
- priv->color[COLORSEL_RED] = CLAMP (rgba->red, 0, 1);
- priv->color[COLORSEL_GREEN] = CLAMP (rgba->green, 0, 1);
- priv->color[COLORSEL_BLUE] = CLAMP (rgba->blue, 0, 1);
- priv->color[COLORSEL_OPACITY] = CLAMP (rgba->alpha, 0, 1);
-
- gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
- priv->color[COLORSEL_GREEN],
- priv->color[COLORSEL_BLUE],
- &priv->color[COLORSEL_HUE],
- &priv->color[COLORSEL_SATURATION],
- &priv->color[COLORSEL_VALUE]);
-
- if (priv->default_set == FALSE)
- {
- for (i = 0; i < COLORSEL_NUM_CHANNELS; i++)
- priv->old_color[i] = priv->color[i];
- }
-
- priv->default_set = TRUE;
- update_color (colorsel);
-}
-
-/**
- * gtk_color_selection_get_current_rgba:
- * @colorsel: a #GtkColorSelection
- * @rgba: (out): a #GdkRGBA to fill in with the current color
- *
- * Sets @rgba to be the current color in the GtkColorSelection widget.
- *
- * Since: 3.0
- */
-void
-gtk_color_selection_get_current_rgba (GtkColorSelection *colorsel,
- GdkRGBA *rgba)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (rgba != NULL);
-
- priv = colorsel->private_data;
- rgba->red = priv->color[COLORSEL_RED];
- rgba->green = priv->color[COLORSEL_GREEN];
- rgba->blue = priv->color[COLORSEL_BLUE];
- rgba->alpha = (priv->has_opacity) ? priv->color[COLORSEL_OPACITY] : 1;
-}
-
-/**
- * gtk_color_selection_set_previous_rgba:
- * @colorsel: a #GtkColorSelection
- * @rgba: a #GdkRGBA to set the previous color with
- *
- * Sets the “previous” color to be @rgba.
- *
- * This function should be called with some hesitations,
- * as it might seem confusing to have that color change.
- * Calling gtk_color_selection_set_current_rgba() will also
- * set this color the first time it is called.
- *
- * Since: 3.0
- */
-void
-gtk_color_selection_set_previous_rgba (GtkColorSelection *colorsel,
- const GdkRGBA *rgba)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (rgba != NULL);
-
- priv = colorsel->private_data;
- priv->changing = TRUE;
-
- priv->old_color[COLORSEL_RED] = CLAMP (rgba->red, 0, 1);
- priv->old_color[COLORSEL_GREEN] = CLAMP (rgba->green, 0, 1);
- priv->old_color[COLORSEL_BLUE] = CLAMP (rgba->blue, 0, 1);
- priv->old_color[COLORSEL_OPACITY] = CLAMP (rgba->alpha, 0, 1);
-
- gtk_rgb_to_hsv (priv->old_color[COLORSEL_RED],
- priv->old_color[COLORSEL_GREEN],
- priv->old_color[COLORSEL_BLUE],
- &priv->old_color[COLORSEL_HUE],
- &priv->old_color[COLORSEL_SATURATION],
- &priv->old_color[COLORSEL_VALUE]);
-
- color_sample_update_samples (colorsel);
- priv->default_set = TRUE;
- priv->changing = FALSE;
-}
-
-/**
- * gtk_color_selection_get_previous_rgba:
- * @colorsel: a #GtkColorSelection
- * @rgba: (out): a #GdkRGBA to fill in with the original color value
- *
- * Fills @rgba in with the original color value.
- *
- * Since: 3.0
- */
-void
-gtk_color_selection_get_previous_rgba (GtkColorSelection *colorsel,
- GdkRGBA *rgba)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (rgba != NULL);
-
- priv = colorsel->private_data;
- rgba->red = priv->old_color[COLORSEL_RED];
- rgba->green = priv->old_color[COLORSEL_GREEN];
- rgba->blue = priv->old_color[COLORSEL_BLUE];
- rgba->alpha = (priv->has_opacity) ? priv->old_color[COLORSEL_OPACITY] : 1;
-}
-
-/**
- * gtk_color_selection_set_palette_color:
- * @colorsel: a #GtkColorSelection
- * @index: the color index of the palette
- * @color: A #GdkColor to set the palette with
- *
- * Sets the palette located at @index to have @color as its color.
- */
-static void
-gtk_color_selection_set_palette_color (GtkColorSelection *colorsel,
- gint index,
- GdkColor *color)
-{
- GtkColorSelectionPrivate *priv;
- gint x, y;
- gdouble col[3];
-
- g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (index >= 0 && index < GTK_CUSTOM_PALETTE_WIDTH*GTK_CUSTOM_PALETTE_HEIGHT);
-
- x = index % GTK_CUSTOM_PALETTE_WIDTH;
- y = index / GTK_CUSTOM_PALETTE_WIDTH;
-
- priv = colorsel->private_data;
- col[0] = SCALE (color->red);
- col[1] = SCALE (color->green);
- col[2] = SCALE (color->blue);
-
- palette_set_color (priv->custom_palette[x][y], colorsel, col);
-}
-
-/**
- * gtk_color_selection_is_adjusting:
- * @colorsel: a #GtkColorSelection
- *
- * Gets the current state of the @colorsel.
- *
- * Returns: %TRUE if the user is currently dragging
- * a color around, and %FALSE if the selection has stopped
- */
-gboolean
-gtk_color_selection_is_adjusting (GtkColorSelection *colorsel)
-{
- GtkColorSelectionPrivate *priv;
-
- g_return_val_if_fail (GTK_IS_COLOR_SELECTION (colorsel), FALSE);
-
- priv = colorsel->private_data;
-
- return (gtk_hsv_is_adjusting (GTK_HSV (priv->triangle_colorsel)));
-}
-
-
-/**
- * gtk_color_selection_palette_from_string:
- * @str: a string encoding a color palette
- * @colors: (out) (array length=n_colors): return location for
- * allocated array of #GdkColor
- * @n_colors: return location for length of array
- *
- * Parses a color palette string; the string is a colon-separated
- * list of color names readable by gdk_color_parse().
- *
- * Returns: %TRUE if a palette was successfully parsed
- */
-gboolean
-gtk_color_selection_palette_from_string (const gchar *str,
- GdkColor **colors,
- gint *n_colors)
-{
- GdkColor *retval;
- gint count;
- gchar *p;
- gchar *start;
- gchar *copy;
-
- count = 0;
- retval = NULL;
- copy = g_strdup (str);
-
- start = copy;
- p = copy;
- while (TRUE)
- {
- if (*p == ':' || *p == '\0')
- {
- gboolean done = TRUE;
-
- if (start == p)
- {
- goto failed; /* empty entry */
- }
-
- if (*p)
- {
- *p = '\0';
- done = FALSE;
- }
-
- retval = g_renew (GdkColor, retval, count + 1);
- if (!gdk_color_parse (start, retval + count))
- {
- goto failed;
- }
-
- ++count;
-
- if (done)
- break;
- else
- start = p + 1;
- }
-
- ++p;
- }
-
- g_free (copy);
-
- if (colors)
- *colors = retval;
- else
- g_free (retval);
-
- if (n_colors)
- *n_colors = count;
-
- return TRUE;
-
- failed:
- g_free (copy);
- g_free (retval);
-
- if (colors)
- *colors = NULL;
- if (n_colors)
- *n_colors = 0;
-
- return FALSE;
-}
-
-/**
- * gtk_color_selection_palette_to_string:
- * @colors: (array length=n_colors): an array of colors
- * @n_colors: length of the array
- *
- * Encodes a palette as a string, useful for persistent storage.
- *
- * Returns: allocated string encoding the palette
- */
-gchar*
-gtk_color_selection_palette_to_string (const GdkColor *colors,
- gint n_colors)
-{
- gint i;
- gchar **strs = NULL;
- gchar *retval;
-
- if (n_colors == 0)
- return g_strdup ("");
-
- strs = g_new0 (gchar*, n_colors + 1);
-
- i = 0;
- while (i < n_colors)
- {
- gchar *ptr;
-
- strs[i] =
- g_strdup_printf ("#%2X%2X%2X",
- colors[i].red / 256,
- colors[i].green / 256,
- colors[i].blue / 256);
-
- for (ptr = strs[i]; *ptr; ptr++)
- if (*ptr == ' ')
- *ptr = '0';
-
- ++i;
- }
-
- retval = g_strjoinv (":", strs);
-
- g_strfreev (strs);
-
- return retval;
-}
-
-/**
- * gtk_color_selection_set_change_palette_with_screen_hook: (skip)
- * @func: a function to call when the custom palette needs saving
- *
- * Installs a global function to be called whenever the user
- * tries to modify the palette in a color selection.
- *
- * This function should save the new palette contents, and update
- * the #GtkSettings:gtk-color-palette GtkSettings property so all
- * GtkColorSelection widgets will be modified.
- *
- * Returns: the previous change palette hook (that was replaced)
- *
- * Since: 2.2
- */
-GtkColorSelectionChangePaletteWithScreenFunc
-gtk_color_selection_set_change_palette_with_screen_hook (GtkColorSelectionChangePaletteWithScreenFunc func)
-{
- GtkColorSelectionChangePaletteWithScreenFunc old;
-
- old = change_palette_hook;
-
- change_palette_hook = func;
-
- return old;
-}
-
-static void
-make_control_relations (AtkObject *atk_obj,
- GtkWidget *widget)
-{
- AtkObject *obj;
-
- obj = gtk_widget_get_accessible (widget);
- atk_object_add_relationship (atk_obj, ATK_RELATION_CONTROLLED_BY, obj);
- atk_object_add_relationship (obj, ATK_RELATION_CONTROLLER_FOR, atk_obj);
-}
-
-static void
-make_all_relations (AtkObject *atk_obj,
- GtkColorSelectionPrivate *priv)
-{
- make_control_relations (atk_obj, priv->hue_spinbutton);
- make_control_relations (atk_obj, priv->sat_spinbutton);
- make_control_relations (atk_obj, priv->val_spinbutton);
- make_control_relations (atk_obj, priv->red_spinbutton);
- make_control_relations (atk_obj, priv->green_spinbutton);
- make_control_relations (atk_obj, priv->blue_spinbutton);
-}
projects / gtk4.git / commitdiff