+2000-11-15 Havoc Pennington <hp@redhat.com>
+
+ * gtk/testtext.c: Implement essential color cycling feature
+
2000-11-15 Havoc Pennington <hp@redhat.com>
* gtk/gtktextview.c (changed_handler): Invalidate the side windows
+2000-11-15 Havoc Pennington <hp@redhat.com>
+
+ * gtk/testtext.c: Implement essential color cycling feature
+
2000-11-15 Havoc Pennington <hp@redhat.com>
* gtk/gtktextview.c (changed_handler): Invalidate the side windows
+2000-11-15 Havoc Pennington <hp@redhat.com>
+
+ * gtk/testtext.c: Implement essential color cycling feature
+
2000-11-15 Havoc Pennington <hp@redhat.com>
* gtk/gtktextview.c (changed_handler): Invalidate the side windows
+2000-11-15 Havoc Pennington <hp@redhat.com>
+
+ * gtk/testtext.c: Implement essential color cycling feature
+
2000-11-15 Havoc Pennington <hp@redhat.com>
* gtk/gtktextview.c (changed_handler): Invalidate the side windows
+2000-11-15 Havoc Pennington <hp@redhat.com>
+
+ * gtk/testtext.c: Implement essential color cycling feature
+
2000-11-15 Havoc Pennington <hp@redhat.com>
* gtk/gtktextview.c (changed_handler): Invalidate the side windows
+2000-11-15 Havoc Pennington <hp@redhat.com>
+
+ * gtk/testtext.c: Implement essential color cycling feature
+
2000-11-15 Havoc Pennington <hp@redhat.com>
* gtk/gtktextview.c (changed_handler): Invalidate the side windows
+2000-11-15 Havoc Pennington <hp@redhat.com>
+
+ * gtk/testtext.c: Implement essential color cycling feature
+
2000-11-15 Havoc Pennington <hp@redhat.com>
* gtk/gtktextview.c (changed_handler): Invalidate the side windows
GtkTextTag *not_editable_tag;
GtkTextTag *found_text_tag;
GtkTextTag *custom_tabs_tag;
+ GSList *color_tags;
+ guint color_cycle_timeout;
+ gdouble start_hue;
};
struct _View
static void buffer_search_backward (Buffer *buffer,
const char *str,
View *view);
+static void buffer_set_colors (Buffer *buffer,
+ gboolean enabled);
+static void buffer_cycle_colors (Buffer *buffer);
static View *view_from_widget (GtkWidget *widget);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view->text_view), callback_action);
}
+static void
+do_color_cycle_changed (gpointer callback_data,
+ guint callback_action,
+ GtkWidget *widget)
+{
+ View *view = view_from_widget (widget);
+
+ buffer_set_colors (view->buffer, callback_action);
+}
+
static void
do_apply_editable (gpointer callback_data,
guint callback_action,
}
}
+static void
+do_apply_colors (gpointer callback_data,
+ guint callback_action,
+ GtkWidget *widget)
+{
+ View *view = view_from_widget (widget);
+ Buffer *buffer = view->buffer;
+ GtkTextIter start;
+ GtkTextIter end;
+
+ if (gtk_text_buffer_get_selection_bounds (view->buffer->buffer,
+ &start, &end))
+ {
+ if (!callback_action)
+ {
+ GSList *tmp;
+
+ tmp = buffer->color_tags;
+ while (tmp != NULL)
+ {
+ gtk_text_buffer_remove_tag (view->buffer->buffer,
+ tmp->data,
+ &start, &end);
+ tmp = g_slist_next (tmp);
+ }
+ }
+ else
+ {
+ GSList *tmp;
+
+ tmp = buffer->color_tags;
+ while (TRUE)
+ {
+ GtkTextIter next;
+ gboolean done = FALSE;
+
+ next = start;
+ gtk_text_iter_next_char (&next);
+ gtk_text_iter_next_char (&next);
+
+ if (gtk_text_iter_compare (&next, &end) > 0)
+ {
+ next = end;
+ done = TRUE;
+ }
+
+ gtk_text_buffer_apply_tag (view->buffer->buffer,
+ tmp->data,
+ &start, &next);
+
+ start = next;
+
+ if (done)
+ return;
+
+ tmp = g_slist_next (tmp);
+ if (tmp == NULL)
+ tmp = buffer->color_tags;
+ }
+ }
+ }
+}
+
enum
{
RESPONSE_FORWARD,
{ "/Settings/sep1", NULL, 0, 0, "<Separator>" },
{ "/Settings/Sane spacing", NULL, do_spacing_changed, FALSE, "<RadioItem>" },
{ "/Settings/Funky spacing", NULL, do_spacing_changed, TRUE, "/Settings/Sane spacing" },
+ { "/Settings/sep1", NULL, 0, 0, "<Separator>" },
+ { "/Settings/Don't cycle color tags", NULL, do_color_cycle_changed, FALSE, "<RadioItem>" },
+ { "/Settings/Cycle colors", NULL, do_color_cycle_changed, TRUE, "/Settings/Don't cycle color tags" },
{ "/_Attributes", NULL, 0, 0, "<Branch>" },
{ "/Attributes/Editable", NULL, do_apply_editable, TRUE, NULL },
{ "/Attributes/Not editable", NULL, do_apply_editable, FALSE, NULL },
{ "/Attributes/Visible", NULL, do_apply_invisible, TRUE, NULL },
{ "/Attributes/Custom tabs", NULL, do_apply_tabs, FALSE, NULL },
{ "/Attributes/Default tabs", NULL, do_apply_tabs, TRUE, NULL },
+ { "/Attributes/Color cycles", NULL, do_apply_colors, TRUE, NULL },
+ { "/Attributes/No colors", NULL, do_apply_colors, FALSE, NULL },
{ "/_Test", NULL, 0, 0, "<Branch>" },
{ "/Test/_Example", NULL, do_example, 0, NULL },
};
return TRUE;
}
+#define N_COLORS 16
+
static Buffer *
create_buffer (void)
{
Buffer *buffer;
PangoTabArray *tabs;
+ gint i;
buffer = g_new (Buffer, 1);
buffer->filename = NULL;
buffer->untitled_serial = -1;
+ buffer->color_tags = NULL;
+ buffer->color_cycle_timeout = 0;
+ buffer->start_hue = 0.0;
+
+ i = 0;
+ while (i < N_COLORS)
+ {
+ GtkTextTag *tag;
+
+ tag = gtk_text_buffer_create_tag (buffer->buffer, NULL);
+
+ buffer->color_tags = g_slist_prepend (buffer->color_tags, tag);
+
+ ++i;
+ }
+
buffer->invisible_tag = gtk_text_buffer_create_tag (buffer->buffer, NULL);
gtk_object_set (GTK_OBJECT (buffer->invisible_tag),
"invisible", TRUE,
buffer->refcount--;
if (buffer->refcount == 0)
{
+ buffer_set_colors (buffer, FALSE);
buffers = g_slist_remove (buffers, buffer);
gtk_object_unref (GTK_OBJECT (buffer->buffer));
g_free (buffer->filename);
}
}
+static void
+hsv_to_rgb (gdouble *h,
+ gdouble *s,
+ gdouble *v)
+{
+ gdouble hue, saturation, value;
+ gdouble f, p, q, t;
+
+ if (*s == 0.0)
+ {
+ *h = *v;
+ *s = *v;
+ *v = *v; /* heh */
+ }
+ else
+ {
+ hue = *h * 6.0;
+ saturation = *s;
+ value = *v;
+
+ if (hue >= 6.0)
+ hue = 0.0;
+
+ f = hue - (int) hue;
+ p = value * (1.0 - saturation);
+ q = value * (1.0 - saturation * f);
+ t = value * (1.0 - saturation * (1.0 - f));
+
+ switch ((int) hue)
+ {
+ case 0:
+ *h = value;
+ *s = t;
+ *v = p;
+ break;
+
+ case 1:
+ *h = q;
+ *s = value;
+ *v = p;
+ break;
+
+ case 2:
+ *h = p;
+ *s = value;
+ *v = t;
+ break;
+
+ case 3:
+ *h = p;
+ *s = q;
+ *v = value;
+ break;
+
+ case 4:
+ *h = t;
+ *s = p;
+ *v = value;
+ break;
+
+ case 5:
+ *h = value;
+ *s = p;
+ *v = q;
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+ }
+}
+
+static void
+hue_to_color (gdouble hue,
+ GdkColor *color)
+{
+ gdouble h, s, v;
+
+ h = hue;
+ s = 1.0;
+ v = 1.0;
+
+ g_return_if_fail (hue <= 1.0);
+
+ hsv_to_rgb (&h, &s, &v);
+
+ color->red = h * 65535;
+ color->green = s * 65535;
+ color->blue = v * 65535;
+}
+
+
+static gint
+color_cycle_timeout (gpointer data)
+{
+ Buffer *buffer = data;
+
+ buffer_cycle_colors (buffer);
+
+ return TRUE;
+}
+
+static void
+buffer_set_colors (Buffer *buffer,
+ gboolean enabled)
+{
+ GSList *tmp;
+ gdouble hue = 0.0;
+
+ if (enabled && buffer->color_cycle_timeout == 0)
+ buffer->color_cycle_timeout = gtk_timeout_add (500, color_cycle_timeout, buffer);
+ else if (!enabled && buffer->color_cycle_timeout != 0)
+ {
+ gtk_timeout_remove (buffer->color_cycle_timeout);
+ buffer->color_cycle_timeout = 0;
+ }
+
+ tmp = buffer->color_tags;
+ while (tmp != NULL)
+ {
+ if (enabled)
+ {
+ GdkColor color;
+
+ hue_to_color (hue, &color);
+
+ gtk_object_set (GTK_OBJECT (tmp->data),
+ "foreground_gdk", &color,
+ NULL);
+ }
+ else
+ gtk_object_set (GTK_OBJECT (tmp->data),
+ "foreground_set", FALSE,
+ NULL);
+
+ hue += 1.0 / N_COLORS;
+
+ tmp = g_slist_next (tmp);
+ }
+}
+
+static void
+buffer_cycle_colors (Buffer *buffer)
+{
+ GSList *tmp;
+ gdouble hue = buffer->start_hue;
+
+ tmp = buffer->color_tags;
+ while (tmp != NULL)
+ {
+ GdkColor color;
+
+ hue_to_color (hue, &color);
+
+ gtk_object_set (GTK_OBJECT (tmp->data),
+ "foreground_gdk", &color,
+ NULL);
+
+ hue += 1.0 / N_COLORS;
+ if (hue > 1.0)
+ hue = 0.0;
+
+ tmp = g_slist_next (tmp);
+ }
+
+ buffer->start_hue += 1.0 / N_COLORS;
+ if (buffer->start_hue > 1.0)
+ buffer->start_hue = 0.0;
+}
+
static void
close_view (View *view)
{
GtkTextTag *not_editable_tag;
GtkTextTag *found_text_tag;
GtkTextTag *custom_tabs_tag;
+ GSList *color_tags;
+ guint color_cycle_timeout;
+ gdouble start_hue;
};
struct _View
static void buffer_search_backward (Buffer *buffer,
const char *str,
View *view);
+static void buffer_set_colors (Buffer *buffer,
+ gboolean enabled);
+static void buffer_cycle_colors (Buffer *buffer);
static View *view_from_widget (GtkWidget *widget);
gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (view->text_view), callback_action);
}
+static void
+do_color_cycle_changed (gpointer callback_data,
+ guint callback_action,
+ GtkWidget *widget)
+{
+ View *view = view_from_widget (widget);
+
+ buffer_set_colors (view->buffer, callback_action);
+}
+
static void
do_apply_editable (gpointer callback_data,
guint callback_action,
}
}
+static void
+do_apply_colors (gpointer callback_data,
+ guint callback_action,
+ GtkWidget *widget)
+{
+ View *view = view_from_widget (widget);
+ Buffer *buffer = view->buffer;
+ GtkTextIter start;
+ GtkTextIter end;
+
+ if (gtk_text_buffer_get_selection_bounds (view->buffer->buffer,
+ &start, &end))
+ {
+ if (!callback_action)
+ {
+ GSList *tmp;
+
+ tmp = buffer->color_tags;
+ while (tmp != NULL)
+ {
+ gtk_text_buffer_remove_tag (view->buffer->buffer,
+ tmp->data,
+ &start, &end);
+ tmp = g_slist_next (tmp);
+ }
+ }
+ else
+ {
+ GSList *tmp;
+
+ tmp = buffer->color_tags;
+ while (TRUE)
+ {
+ GtkTextIter next;
+ gboolean done = FALSE;
+
+ next = start;
+ gtk_text_iter_next_char (&next);
+ gtk_text_iter_next_char (&next);
+
+ if (gtk_text_iter_compare (&next, &end) > 0)
+ {
+ next = end;
+ done = TRUE;
+ }
+
+ gtk_text_buffer_apply_tag (view->buffer->buffer,
+ tmp->data,
+ &start, &next);
+
+ start = next;
+
+ if (done)
+ return;
+
+ tmp = g_slist_next (tmp);
+ if (tmp == NULL)
+ tmp = buffer->color_tags;
+ }
+ }
+ }
+}
+
enum
{
RESPONSE_FORWARD,
{ "/Settings/sep1", NULL, 0, 0, "<Separator>" },
{ "/Settings/Sane spacing", NULL, do_spacing_changed, FALSE, "<RadioItem>" },
{ "/Settings/Funky spacing", NULL, do_spacing_changed, TRUE, "/Settings/Sane spacing" },
+ { "/Settings/sep1", NULL, 0, 0, "<Separator>" },
+ { "/Settings/Don't cycle color tags", NULL, do_color_cycle_changed, FALSE, "<RadioItem>" },
+ { "/Settings/Cycle colors", NULL, do_color_cycle_changed, TRUE, "/Settings/Don't cycle color tags" },
{ "/_Attributes", NULL, 0, 0, "<Branch>" },
{ "/Attributes/Editable", NULL, do_apply_editable, TRUE, NULL },
{ "/Attributes/Not editable", NULL, do_apply_editable, FALSE, NULL },
{ "/Attributes/Visible", NULL, do_apply_invisible, TRUE, NULL },
{ "/Attributes/Custom tabs", NULL, do_apply_tabs, FALSE, NULL },
{ "/Attributes/Default tabs", NULL, do_apply_tabs, TRUE, NULL },
+ { "/Attributes/Color cycles", NULL, do_apply_colors, TRUE, NULL },
+ { "/Attributes/No colors", NULL, do_apply_colors, FALSE, NULL },
{ "/_Test", NULL, 0, 0, "<Branch>" },
{ "/Test/_Example", NULL, do_example, 0, NULL },
};
return TRUE;
}
+#define N_COLORS 16
+
static Buffer *
create_buffer (void)
{
Buffer *buffer;
PangoTabArray *tabs;
+ gint i;
buffer = g_new (Buffer, 1);
buffer->filename = NULL;
buffer->untitled_serial = -1;
+ buffer->color_tags = NULL;
+ buffer->color_cycle_timeout = 0;
+ buffer->start_hue = 0.0;
+
+ i = 0;
+ while (i < N_COLORS)
+ {
+ GtkTextTag *tag;
+
+ tag = gtk_text_buffer_create_tag (buffer->buffer, NULL);
+
+ buffer->color_tags = g_slist_prepend (buffer->color_tags, tag);
+
+ ++i;
+ }
+
buffer->invisible_tag = gtk_text_buffer_create_tag (buffer->buffer, NULL);
gtk_object_set (GTK_OBJECT (buffer->invisible_tag),
"invisible", TRUE,
buffer->refcount--;
if (buffer->refcount == 0)
{
+ buffer_set_colors (buffer, FALSE);
buffers = g_slist_remove (buffers, buffer);
gtk_object_unref (GTK_OBJECT (buffer->buffer));
g_free (buffer->filename);
}
}
+static void
+hsv_to_rgb (gdouble *h,
+ gdouble *s,
+ gdouble *v)
+{
+ gdouble hue, saturation, value;
+ gdouble f, p, q, t;
+
+ if (*s == 0.0)
+ {
+ *h = *v;
+ *s = *v;
+ *v = *v; /* heh */
+ }
+ else
+ {
+ hue = *h * 6.0;
+ saturation = *s;
+ value = *v;
+
+ if (hue >= 6.0)
+ hue = 0.0;
+
+ f = hue - (int) hue;
+ p = value * (1.0 - saturation);
+ q = value * (1.0 - saturation * f);
+ t = value * (1.0 - saturation * (1.0 - f));
+
+ switch ((int) hue)
+ {
+ case 0:
+ *h = value;
+ *s = t;
+ *v = p;
+ break;
+
+ case 1:
+ *h = q;
+ *s = value;
+ *v = p;
+ break;
+
+ case 2:
+ *h = p;
+ *s = value;
+ *v = t;
+ break;
+
+ case 3:
+ *h = p;
+ *s = q;
+ *v = value;
+ break;
+
+ case 4:
+ *h = t;
+ *s = p;
+ *v = value;
+ break;
+
+ case 5:
+ *h = value;
+ *s = p;
+ *v = q;
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+ }
+}
+
+static void
+hue_to_color (gdouble hue,
+ GdkColor *color)
+{
+ gdouble h, s, v;
+
+ h = hue;
+ s = 1.0;
+ v = 1.0;
+
+ g_return_if_fail (hue <= 1.0);
+
+ hsv_to_rgb (&h, &s, &v);
+
+ color->red = h * 65535;
+ color->green = s * 65535;
+ color->blue = v * 65535;
+}
+
+
+static gint
+color_cycle_timeout (gpointer data)
+{
+ Buffer *buffer = data;
+
+ buffer_cycle_colors (buffer);
+
+ return TRUE;
+}
+
+static void
+buffer_set_colors (Buffer *buffer,
+ gboolean enabled)
+{
+ GSList *tmp;
+ gdouble hue = 0.0;
+
+ if (enabled && buffer->color_cycle_timeout == 0)
+ buffer->color_cycle_timeout = gtk_timeout_add (500, color_cycle_timeout, buffer);
+ else if (!enabled && buffer->color_cycle_timeout != 0)
+ {
+ gtk_timeout_remove (buffer->color_cycle_timeout);
+ buffer->color_cycle_timeout = 0;
+ }
+
+ tmp = buffer->color_tags;
+ while (tmp != NULL)
+ {
+ if (enabled)
+ {
+ GdkColor color;
+
+ hue_to_color (hue, &color);
+
+ gtk_object_set (GTK_OBJECT (tmp->data),
+ "foreground_gdk", &color,
+ NULL);
+ }
+ else
+ gtk_object_set (GTK_OBJECT (tmp->data),
+ "foreground_set", FALSE,
+ NULL);
+
+ hue += 1.0 / N_COLORS;
+
+ tmp = g_slist_next (tmp);
+ }
+}
+
+static void
+buffer_cycle_colors (Buffer *buffer)
+{
+ GSList *tmp;
+ gdouble hue = buffer->start_hue;
+
+ tmp = buffer->color_tags;
+ while (tmp != NULL)
+ {
+ GdkColor color;
+
+ hue_to_color (hue, &color);
+
+ gtk_object_set (GTK_OBJECT (tmp->data),
+ "foreground_gdk", &color,
+ NULL);
+
+ hue += 1.0 / N_COLORS;
+ if (hue > 1.0)
+ hue = 0.0;
+
+ tmp = g_slist_next (tmp);
+ }
+
+ buffer->start_hue += 1.0 / N_COLORS;
+ if (buffer->start_hue > 1.0)
+ buffer->start_hue = 0.0;
+}
+
static void
close_view (View *view)
{
projects / gtk4.git / commitdiff