#include <glib/gprintf.h>
#include "gtkcalendar.h"
+#include "gtkdnd.h"
#include "gtkintl.h"
#include "gtkmain.h"
#include "gtkmarshalers.h"
guint need_timer : 1;
+ guint in_drag : 1;
+ guint drag_highlight : 1;
+
guint32 timer;
gint click_child;
gint week_start;
+
+ gint drag_start_x;
+ gint drag_start_y;
};
#define GTK_CALENDAR_PRIVATE_DATA(widget) (((GtkCalendarPrivateData*)(GTK_CALENDAR (widget)->private_data)))
static gint top_y_for_row (GtkCalendar *calendar,
gint row);
+static void gtk_calendar_drag_data_get (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time);
+static void gtk_calendar_drag_data_received (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time);
+static gboolean gtk_calendar_drag_motion (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time);
+static void gtk_calendar_drag_leave (GtkWidget *widget,
+ GdkDragContext *context,
+ guint time);
+static gboolean gtk_calendar_drag_drop (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time);
+
static char *default_abbreviated_dayname[7];
static char *default_monthname[12];
widget_class->style_set = gtk_calendar_style_set;
widget_class->state_changed = gtk_calendar_state_changed;
widget_class->grab_notify = gtk_calendar_grab_notify;
+
+ widget_class->drag_data_get = gtk_calendar_drag_data_get;
+ widget_class->drag_motion = gtk_calendar_drag_motion;
+ widget_class->drag_leave = gtk_calendar_drag_leave;
+ widget_class->drag_drop = gtk_calendar_drag_drop;
+ widget_class->drag_data_received = gtk_calendar_drag_data_received;
class->month_changed = NULL;
class->day_selected = NULL;
G_TYPE_NONE, 0);
}
+enum
+{
+ TARGET_TEXT,
+};
+
+static const GtkTargetEntry target_table[] = {
+ { "TEXT", 0, TARGET_TEXT },
+ { "STRING", 0, TARGET_TEXT },
+ { "UTF8_STRING", 0, TARGET_TEXT },
+};
+
static void
gtk_calendar_init (GtkCalendar *calendar)
{
private_data->timer = 0;
private_data->click_child = -1;
+ private_data->in_drag = 0;
+ private_data->drag_highlight = 0;
+
+ gtk_drag_dest_set (widget,
+ 0,
+ target_table, G_N_ELEMENTS (target_table),
+ GDK_ACTION_COPY);
+
private_data->year_before = 0;
/* Translate to calendar:YM if you want years to be displayed
GdkEventButton *event)
{
GtkCalendar *calendar;
+ GtkCalendarPrivateData *private_data;
gint x, y;
gint row, col;
gint day_month;
gint day;
calendar = GTK_CALENDAR (widget);
+ private_data = GTK_CALENDAR_PRIVATE_DATA (widget);
x = (gint) (event->x);
y = (gint) (event->y);
gtk_calendar_select_and_focus_day (calendar, day);
+ private_data->in_drag = 1;
+ private_data->drag_start_x = x;
+ private_data->drag_start_y = y;
}
else if (event->type == GDK_2BUTTON_PRESS)
{
+ private_data->in_drag = 0;
if (day_month == MONTH_CURRENT)
g_signal_emit (calendar,
gtk_calendar_signals[DAY_SELECTED_DOUBLE_CLICK_SIGNAL],
gtk_calendar_button_release (GtkWidget *widget,
GdkEventButton *event)
{
+ GtkCalendar *calendar;
+ GtkCalendarPrivateData *private_data;
+
+ calendar = GTK_CALENDAR (widget);
+ private_data = GTK_CALENDAR_PRIVATE_DATA (widget);
+
if (event->button == 1)
- stop_spinning (widget);
+ {
+ stop_spinning (widget);
+
+ if (private_data->in_drag)
+ private_data->in_drag = 0;
+ }
return TRUE;
}
if (event->window == private_data->main_win)
{
- row = row_from_y (calendar, event_y);
- col = column_from_x (calendar, event_x);
-
- if (row != calendar->highlight_row || calendar->highlight_col != col)
+ if (private_data->in_drag)
{
- old_row = calendar->highlight_row;
- old_col = calendar->highlight_col;
- if (old_row > -1 && old_col > -1)
+ if (gtk_drag_check_threshold (widget,
+ private_data->drag_start_x, private_data->drag_start_y,
+ event->x, event->y))
{
- calendar->highlight_row = -1;
- calendar->highlight_col = -1;
- gtk_calendar_paint_day (widget, old_row, old_col);
- }
+ GdkDragContext *context;
+ GtkTargetList *target_list = gtk_target_list_new (target_table, G_N_ELEMENTS (target_table));
+ context = gtk_drag_begin (widget, target_list, GDK_ACTION_COPY,
+ 1, (GdkEvent *)event);
+
- calendar->highlight_row = row;
- calendar->highlight_col = col;
+ private_data->in_drag = 0;
+
+ gtk_target_list_unref (target_list);
+ gtk_drag_set_icon_default (context);
+ }
+ }
+ else
+ {
+ row = row_from_y (calendar, event_y);
+ col = column_from_x (calendar, event_x);
- if (row > -1 && col > -1)
- gtk_calendar_paint_day (widget, row, col);
+ if (row != calendar->highlight_row || calendar->highlight_col != col)
+ {
+ old_row = calendar->highlight_row;
+ old_col = calendar->highlight_col;
+ if (old_row > -1 && old_col > -1)
+ {
+ calendar->highlight_row = -1;
+ calendar->highlight_col = -1;
+ gtk_calendar_paint_day (widget, old_row, old_col);
+ }
+
+ calendar->highlight_row = row;
+ calendar->highlight_col = col;
+
+ if (row > -1 && col > -1)
+ gtk_calendar_paint_day (widget, row, col);
+ }
}
}
return TRUE;
}
}
+
+static void
+gtk_calendar_drag_data_get (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time)
+{
+ GtkCalendar *calendar = GTK_CALENDAR (widget);
+ GDate *date;
+ gchar str[128];
+ gsize len;
+
+ date = g_date_new_dmy (calendar->selected_day, calendar->month, calendar->year);
+ len = g_date_strftime (str, 127, "%x", date);
+ gtk_selection_data_set_text (selection_data, str, len);
+
+ g_free (date);
+}
+
+/* Get/set whether drag_motion requested the drag data and
+ * drag_data_received should thus not actually insert the data,
+ * since the data doesn't result from a drop.
+ */
+static void
+set_status_pending (GdkDragContext *context,
+ GdkDragAction suggested_action)
+{
+ g_object_set_data (G_OBJECT (context),
+ "gtk-calendar-status-pending",
+ GINT_TO_POINTER (suggested_action));
+}
+
+static GdkDragAction
+get_status_pending (GdkDragContext *context)
+{
+ return GPOINTER_TO_INT (g_object_get_data (G_OBJECT (context),
+ "gtk-calendar-status-pending"));
+}
+
+static void
+gtk_calendar_drag_leave (GtkWidget *widget,
+ GdkDragContext *context,
+ guint time)
+{
+ GtkCalendarPrivateData *private_data;
+
+ private_data = GTK_CALENDAR_PRIVATE_DATA (widget);
+ private_data->drag_highlight = 0;
+ gtk_drag_unhighlight (widget);
+
+}
+
+static gboolean
+gtk_calendar_drag_motion (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time)
+{
+ GtkCalendarPrivateData *private_data;
+ GdkAtom target;
+
+ private_data = GTK_CALENDAR_PRIVATE_DATA (widget);
+
+ if (!private_data->drag_highlight)
+ {
+ private_data->drag_highlight = 1;
+ gtk_drag_highlight (widget);
+ }
+
+ target = gtk_drag_dest_find_target (widget, context, NULL);
+ if (target == GDK_NONE)
+ gdk_drag_status (context, 0, time);
+ else {
+ set_status_pending (context, context->suggested_action);
+ gtk_drag_get_data (widget, context, target, time);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gtk_calendar_drag_drop (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time)
+{
+ GdkAtom target;
+
+ target = gtk_drag_dest_find_target (widget, context, NULL);
+ if (target != GDK_NONE)
+ {
+ gtk_drag_get_data (widget, context,
+ target,
+ time);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+gtk_calendar_drag_data_received (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time)
+{
+ GtkCalendar *calendar = GTK_CALENDAR (widget);
+ guint day, month, year;
+ gchar *str;
+ GDate *date;
+ GdkDragAction suggested_action;
+
+ suggested_action = get_status_pending (context);
+
+ if (suggested_action)
+ {
+ set_status_pending (context, 0);
+
+ /* We are getting this data due to a request in drag_motion,
+ * rather than due to a request in drag_drop, so we are just
+ * supposed to call drag_status, not actually paste in the
+ * data.
+ */
+ str = gtk_selection_data_get_text (selection_data);
+ if (str)
+ {
+ date = g_date_new ();
+ g_date_set_parse (date, str);
+ if (!g_date_valid (date))
+ suggested_action = 0;
+ g_date_free (date);
+ g_free (str);
+ }
+ else
+ suggested_action = 0;
+
+ gdk_drag_status (context, suggested_action, time);
+
+ return;
+ }
+
+ date = g_date_new ();
+ str = gtk_selection_data_get_text (selection_data);
+ if (str)
+ {
+ g_date_set_parse (date, str);
+ g_free (str);
+ }
+
+ if (!g_date_valid (date))
+ {
+ g_warning ("Received invalid date data\n");
+ g_date_free (date);
+ gtk_drag_finish (context, FALSE, FALSE, time);
+ return;
+ }
+
+ day = g_date_get_day (date);
+ month = g_date_get_month (date);
+ year = g_date_get_year (date);
+ g_date_free (date);
+
+ gtk_drag_finish (context, TRUE, FALSE, time);
+
+
+ g_object_freeze_notify (G_OBJECT (calendar));
+ if (!(calendar->display_flags & GTK_CALENDAR_NO_MONTH_CHANGE)
+ && (calendar->display_flags & GTK_CALENDAR_SHOW_HEADING))
+ gtk_calendar_select_month (calendar, month, year);
+ gtk_calendar_select_day (calendar, day);
+ g_object_thaw_notify (G_OBJECT (calendar));
+}
projects / gtk4.git / commitdiff