* 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 Library General Public
+ * 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
- * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
+ * Modified by the GTK+ Team and others 1997-2000. 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 "gdkconfig.h"
+#include <math.h>
#if defined (GDK_WINDOWING_X11)
#include "x11/gdkx.h"
#elif defined (GDK_WINDOWING_WIN32)
#include "win32/gdkwin32.h"
+#elif defined (GDK_WINDOWING_FB)
+#include "linux-fb/gdkfb.h"
#endif
#include "gdk/gdkkeysyms.h"
#include "gtkentry.h"
#include "gtkbutton.h"
#include "gtkhseparator.h"
+#include "gtktooltips.h"
+#include "gtkinvisible.h"
+#include "gtkmenuitem.h"
+#include "gtkmain.h"
+#include "gtksettings.h"
#include "gtkintl.h"
+#include <string.h>
+
+/* Number of elements in the custom palatte */
+#define GTK_CUSTOM_PALETTE_WIDTH 10
+#define GTK_CUSTOM_PALETTE_HEIGHT 2
+
enum {
COLOR_CHANGED,
LAST_SIGNAL
};
-
-
enum {
COLORSEL_RED = 0,
COLORSEL_GREEN = 1,
struct _ColorSelectionPrivate
{
- guint use_opacity : 1;
- guint use_palette : 1;
+ guint has_opacity : 1;
+ guint has_palette : 1;
guint changing : 1;
guint default_set : 1;
-
- /* The color dropper */
- guint moving_dropper : 1;
+ guint default_alpha_set : 1;
gdouble color[COLORSEL_NUM_CHANNELS];
gdouble old_color[COLORSEL_NUM_CHANNELS];
/* The Palette code */
GtkWidget *custom_palette [GTK_CUSTOM_PALETTE_WIDTH][GTK_CUSTOM_PALETTE_HEIGHT];
- GtkWidget *last_palette;
/* The color_sample stuff */
GtkWidget *sample_area;
GtkWidget *old_sample;
GtkWidget *cur_sample;
GtkWidget *colorsel;
+
+ /* Tooltips group */
+ GtkTooltips *tooltips;
+
+ /* Window for grabbing on */
+ GtkWidget *dropper_grab_widget;
};
static void gtk_color_selection_init (GtkColorSelection *colorsel);
static void gtk_color_selection_class_init (GtkColorSelectionClass *klass);
static void gtk_color_selection_destroy (GtkObject *object);
+static void gtk_color_selection_finalize (GObject *object);
static void update_color (GtkColorSelection *colorsel);
+static gint gtk_color_selection_get_palette_size (GtkColorSelection *colorsel);
+static gboolean gtk_color_selection_get_palette_color (GtkColorSelection *colorsel,
+ gint index,
+ GdkColor *color);
+static void gtk_color_selection_set_palette_color (GtkColorSelection *colorsel,
+ gint index,
+ GdkColor *color);
+static void gtk_color_selection_unset_palette_color (GtkColorSelection *colorsel,
+ gint index);
+
static gpointer parent_class = NULL;
static guint color_selection_signals[LAST_SIGNAL] = { 0 };
+static gchar* default_colors = "black:white:gray50:red:purple:blue:light blue:green:yellow:orange:lavender:brown:goldenrod4:dodger blue:pink:light green:gray10:gray30:gray75:gray90";
+
+static GtkColorSelectionChangePaletteFunc change_palette_hook = NULL;
+
+static GdkColor current_colors[GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT];
/* The cursor for the dropper */
#define DROPPER_WIDTH 17
colors[i++] = colsrc[n];
}
- if (priv->use_opacity)
+ if (priv->has_opacity)
{
colors[i] = colsrc[COLORSEL_OPACITY];
}
vals[0] = colsrc[COLORSEL_RED] * 0xffff;
vals[1] = colsrc[COLORSEL_GREEN] * 0xffff;
vals[2] = colsrc[COLORSEL_BLUE] * 0xffff;
- vals[3] = priv->use_opacity ? colsrc[COLORSEL_OPACITY] * 0xffff : 0xffff;
+ vals[3] = priv->has_opacity ? colsrc[COLORSEL_OPACITY] * 0xffff : 0xffff;
gtk_selection_data_set (selection_data,
gdk_atom_intern ("application/x-color", FALSE),
}
#endif
- if (priv->use_opacity)
+ if (priv->has_opacity)
{
o = (which) ? priv->color[COLORSEL_OPACITY] : priv->old_color[COLORSEL_OPACITY];
{
for (x = 0; x < wid; x++)
{
- if (priv->use_opacity)
+ if (priv->has_opacity)
f = 3 * ((((goff + x) % 32) < 16) ^ ((y % 32) < 16));
else
f = 0;
priv->sample_area = gtk_hbox_new (FALSE, 0);
priv->old_sample = gtk_drawing_area_new ();
priv->cur_sample = gtk_drawing_area_new ();
+
+ /* We need enter/leave to do tooltips */
+ gtk_widget_add_events (priv->old_sample,
+ GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
+ gtk_widget_add_events (priv->cur_sample,
+ GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
gtk_box_pack_start (GTK_BOX (priv->sample_area), priv->old_sample,
TRUE, TRUE, 0);
color_sample_setup_dnd (colorsel, priv->old_sample);
color_sample_setup_dnd (colorsel, priv->cur_sample);
+
+ gtk_tooltips_set_tip (priv->tooltips,
+ 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."), NULL);
+
+
+ gtk_tooltips_set_tip (priv->tooltips,
+ 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."), NULL);
gtk_widget_show_all (priv->sample_area);
}
* The palette area code
*
*/
-#define CUSTOM_PALETTE_ENTRY_WIDTH 16
-#define CUSTOM_PALETTE_ENTRY_HEIGHT 16
+#define CUSTOM_PALETTE_ENTRY_WIDTH 20
+#define CUSTOM_PALETTE_ENTRY_HEIGHT 20
static void
palette_get_color (GtkWidget *drawing_area, gdouble *color)
GdkRectangle *area,
gpointer data)
{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (data);
- ColorSelectionPrivate *priv = colorsel->private_data;
-
if (drawing_area->window == NULL)
return;
area->width,
area->height);
- if (priv->last_palette == drawing_area)
+ if (GTK_WIDGET_HAS_FOCUS (drawing_area))
{
GdkGC *gc;
gdouble color[4];
}
}
-static void
-palette_expose (GtkWidget *drawing_area,
- GdkEventExpose *event,
- gpointer data)
-{
- if (drawing_area->window == NULL)
- return;
-
- palette_paint (drawing_area, &(event->area), data);
-}
-
-static void
-palette_press (GtkWidget *drawing_area,
- GdkEventButton *event,
- gpointer data)
-{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (data);
- ColorSelectionPrivate *priv = colorsel->private_data;
-
- if (priv->last_palette != NULL)
- gtk_widget_queue_clear (priv->last_palette);
-
- priv->last_palette = drawing_area;
-
- if (GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (drawing_area), "color_set")) != 0)
- {
- gdouble color[4];
- palette_get_color (drawing_area, color);
- gtk_color_selection_set_color (GTK_COLOR_SELECTION (data), color);
- }
-
- gtk_widget_queue_clear (priv->last_palette);
-}
-
-static void
-palette_draw (GtkWidget *drawing_area,
- GdkRectangle *area,
- gpointer data)
-{
- palette_paint (drawing_area, area, data);
-}
-
-static void
-palette_unset_color (GtkWidget *drawing_area)
-{
- if (GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (drawing_area), "color_set")) == 0)
- return;
-
- gtk_widget_reset_rc_styles (drawing_area);
- gtk_object_set_data (GTK_OBJECT (drawing_area), "color_set", GINT_TO_POINTER (0));
-}
static void
palette_drag_begin (GtkWidget *widget,
16, (guchar *)vals, 8);
}
+static void
+palette_drag_end (GtkWidget *widget,
+ GdkDragContext *context,
+ gpointer data)
+{
+ gtk_object_set_data (GTK_OBJECT (widget), "gtk-color-selection-drag-window", NULL);
+}
+
+/* Changes the model color */
+static void
+palette_change_color (GtkWidget *drawing_area,
+ GtkColorSelection *colorsel,
+ gdouble *color)
+{
+ gint x, y;
+ ColorSelectionPrivate *priv;
+ GdkColor gdk_color;
+
+ 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 = color[0]*65535;
+ gdk_color.green = color[1]*65535;
+ gdk_color.blue = color[2]*65535;
+
+ x = 0;
+ 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[y * GTK_CUSTOM_PALETTE_WIDTH + x] = gdk_color;
+
+ if (change_palette_hook)
+ (* change_palette_hook) (current_colors, GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT);
+}
+
+/* Changes the view color */
static void
palette_set_color (GtkWidget *drawing_area,
GtkColorSelection *colorsel,
gdouble *color)
{
- GtkRcStyle *rc_style;
gdouble *new_color = g_new (double, 4);
gdouble *old_color;
+ GdkColor gdk_color;
- rc_style = gtk_rc_style_new ();
- rc_style->bg[GTK_STATE_NORMAL].red = color[0]*65535;
- rc_style->bg[GTK_STATE_NORMAL].green = color[1]*65535;
- rc_style->bg[GTK_STATE_NORMAL].blue = color[2]*65535;
- rc_style->color_flags[GTK_STATE_NORMAL] = GTK_RC_BG;
- gtk_rc_style_ref (rc_style);
- gtk_widget_modify_style (drawing_area, rc_style);
+ gdk_color.red = color[0]*65535;
+ gdk_color.green = color[1]*65535;
+ gdk_color.blue = color[2]*65535;
+
+ gtk_widget_modify_bg (drawing_area, GTK_STATE_NORMAL, &gdk_color);
if (GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (drawing_area), "color_set")) == 0)
{
}
static void
-palette_drag_end (GtkWidget *widget,
- GdkDragContext *context,
- gpointer data)
+palette_expose (GtkWidget *drawing_area,
+ GdkEventExpose *event,
+ gpointer data)
{
- gtk_object_set_data (GTK_OBJECT (widget), "gtk-color-selection-drag-window", NULL);
+ if (drawing_area->window == NULL)
+ return;
+
+ palette_paint (drawing_area, &(event->area), data);
+}
+
+static void
+popup_position_func (GtkMenu *menu,
+ gint *x,
+ gint *y,
+ gboolean *push_in,
+ gpointer user_data)
+{
+ GtkWidget *widget;
+ GtkRequisition req;
+ gint root_x, root_y;
+
+ widget = GTK_WIDGET (user_data);
+
+ g_return_if_fail (GTK_WIDGET_REALIZED (widget));
+
+ gdk_window_get_origin (widget->window, &root_x, &root_y);
+
+ gtk_widget_size_request (GTK_WIDGET (menu), &req);
+
+ /* Put corner of menu centered on color cell */
+ *x = root_x + widget->allocation.width / 2;
+ *y = root_y + widget->allocation.height / 2;
+
+ /* Ensure sanity */
+ *x = CLAMP (*x, 0, MAX (0, gdk_screen_width () - req.width));
+ *y = CLAMP (*y, 0, MAX (0, gdk_screen_height () - req.height));
+}
+
+static void
+save_color_selected (GtkWidget *menuitem,
+ gpointer data)
+{
+ GtkColorSelection *colorsel;
+ GtkWidget *drawing_area;
+ ColorSelectionPrivate *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,
+ guint32 timestamp)
+{
+ GtkWidget *menu;
+ GtkWidget *mi;
+ GtkWidget *label;
+
+ g_object_set_data (G_OBJECT (drawing_area),
+ "gtk-color-sel",
+ colorsel);
+
+ menu = gtk_menu_new ();
+
+ label = gtk_label_new_with_mnemonic (_("_Save color here"));
+ mi = gtk_menu_item_new ();
+ gtk_container_add (GTK_CONTAINER (mi), label);
+
+ gtk_signal_connect (GTK_OBJECT (mi), "activate",
+ GTK_SIGNAL_FUNC (save_color_selected),
+ drawing_area);
+
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), mi);
+
+ gtk_widget_show_all (mi);
+
+ gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
+ popup_position_func, drawing_area,
+ 3, timestamp);
+}
+
+
+static gint
+palette_press (GtkWidget *drawing_area,
+ GdkEventButton *event,
+ gpointer data)
+{
+ GtkColorSelection *colorsel = GTK_COLOR_SELECTION (data);
+
+ gtk_widget_grab_focus (drawing_area);
+
+ if (event->button == 1 &&
+ event->type == GDK_BUTTON_PRESS)
+ {
+ if (GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (drawing_area), "color_set")) != 0)
+ {
+ gdouble color[4];
+ palette_get_color (drawing_area, color);
+ gtk_color_selection_set_color (GTK_COLOR_SELECTION (data), color);
+ }
+ }
+
+ if (event->button == 3 &&
+ event->type == GDK_BUTTON_PRESS)
+ {
+ do_popup (colorsel, drawing_area, event->time);
+ }
+
+ return TRUE;
+}
+
+static void
+palette_unset_color (GtkWidget *drawing_area)
+{
+ if (GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (drawing_area), "color_set")) == 0)
+ return;
+
+ gtk_widget_reset_rc_styles (drawing_area);
+ gtk_object_set_data (GTK_OBJECT (drawing_area), "color_set", GINT_TO_POINTER (0));
}
static void
color[1] = (gdouble)vals[1] / 0xffff;
color[2] = (gdouble)vals[2] / 0xffff;
color[3] = (gdouble)vals[3] / 0xffff;
- palette_set_color (widget, GTK_COLOR_SELECTION (data), color);
+ palette_change_color (widget, GTK_COLOR_SELECTION (data), color);
gtk_color_selection_set_color (GTK_COLOR_SELECTION (data), color);
}
GdkEventKey *event,
gpointer data)
{
- GtkColorSelection *colorsel = data;
- ColorSelectionPrivate *priv;
-
+ /* should have a drawing area subclass with an activate signal */
if ((event->keyval == ' ') || (event->keyval == GDK_Return))
{
- priv = colorsel->private_data;
- palette_set_color (widget, GTK_COLOR_SELECTION (data), priv->color);
+ if (GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (widget), "color_set")) != 0)
+ {
+ gdouble color[4];
+ palette_get_color (widget, color);
+ gtk_color_selection_set_color (GTK_COLOR_SELECTION (data), color);
+ }
+ return TRUE;
}
- return TRUE;
+ return FALSE;
}
+static void
+palette_popup (GtkWidget *widget,
+ gpointer data)
+{
+ GtkColorSelection *colorsel = GTK_COLOR_SELECTION (data);
+
+ do_popup (colorsel, widget, GDK_CURRENT_TIME);
+}
+
+
static GtkWidget*
palette_new (GtkColorSelection *colorsel)
{
GtkWidget *retval;
+ ColorSelectionPrivate *priv;
static const GtkTargetEntry targets[] = {
{ "application/x-color", 0 }
};
+
+ priv = colorsel->private_data;
retval = gtk_drawing_area_new ();
- gtk_object_set_data (GTK_OBJECT (retval), "color_set", GINT_TO_POINTER (0));
- gtk_widget_set_events (retval, GDK_BUTTON_PRESS_MASK | GDK_EXPOSURE_MASK);
+
+ GTK_WIDGET_SET_FLAGS (retval, GTK_CAN_FOCUS);
- gtk_signal_connect (GTK_OBJECT (retval), "draw", palette_draw, colorsel);
- gtk_signal_connect (GTK_OBJECT (retval), "expose_event", palette_expose, colorsel);
- gtk_signal_connect (GTK_OBJECT (retval), "button_press_event", palette_press, colorsel);
+ gtk_object_set_data (GTK_OBJECT (retval), "color_set", GINT_TO_POINTER (0));
+ gtk_widget_set_events (retval, GDK_BUTTON_PRESS_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_EXPOSURE_MASK
+ | GDK_ENTER_NOTIFY_MASK
+ | GDK_LEAVE_NOTIFY_MASK);
+
+
+ gtk_signal_connect (GTK_OBJECT (retval), "expose_event",
+ GTK_SIGNAL_FUNC (palette_expose), colorsel);
+ gtk_signal_connect (GTK_OBJECT (retval), "button_press_event",
+ GTK_SIGNAL_FUNC (palette_press), colorsel);
+ gtk_signal_connect (GTK_OBJECT (retval), "key_press_event",
+ GTK_SIGNAL_FUNC (palette_activate), colorsel);
+ gtk_signal_connect (GTK_OBJECT (retval), "popup_menu",
+ GTK_SIGNAL_FUNC (palette_popup), colorsel);
gtk_drag_dest_set (retval,
GTK_DEST_DEFAULT_HIGHLIGHT |
targets, 1,
GDK_ACTION_COPY);
- gtk_signal_connect (GTK_OBJECT (retval), "drag_end", palette_drag_end, NULL);
- gtk_signal_connect (GTK_OBJECT (retval), "drag_data_received", palette_drop_handle, colorsel);
- gtk_signal_connect (GTK_OBJECT (retval), "key_press_event", GTK_SIGNAL_FUNC (palette_activate), colorsel);
-
+ gtk_signal_connect (GTK_OBJECT (retval), "drag_end",
+ GTK_SIGNAL_FUNC (palette_drag_end), NULL);
+ gtk_signal_connect (GTK_OBJECT (retval), "drag_data_received",
+ GTK_SIGNAL_FUNC (palette_drop_handle), colorsel);
+
+ gtk_tooltips_set_tip (priv->tooltips,
+ 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.\""),
+ NULL);
return retval;
}
}
static void
-grab_color_at_mouse (GtkWidget *button,
+grab_color_at_mouse (GtkWidget *invisible,
gint x_root,
gint y_root,
gpointer data)
{
GdkImage *image;
guint32 pixel;
- GdkVisual *visual;
GtkColorSelection *colorsel = data;
ColorSelectionPrivate *priv;
GdkColormap *colormap = gdk_colormap_get_system ();
-#if defined (GDK_WINDOWING_X11)
- XColor xcolor;
-#endif
+ GdkColor color;
priv = colorsel->private_data;
image = gdk_image_get (GDK_ROOT_PARENT (), x_root, y_root, 1, 1);
pixel = gdk_image_get_pixel (image, 0, 0);
- visual = gdk_colormap_get_visual (colormap);
-
- switch (visual->type) {
- case GDK_VISUAL_DIRECT_COLOR:
- case GDK_VISUAL_TRUE_COLOR:
- priv->color[COLORSEL_RED] = (double)((pixel & visual->red_mask)>>visual->red_shift)/((1<<visual->red_prec) - 1);
- priv->color[COLORSEL_GREEN] = (double)((pixel & visual->green_mask)>>visual->green_shift)/((1<<visual->green_prec) - 1);
- priv->color[COLORSEL_BLUE] = (double)((pixel & visual->blue_mask)>>visual->blue_shift)/((1<<visual->blue_prec) - 1);
- break;
- case GDK_VISUAL_STATIC_GRAY:
- case GDK_VISUAL_GRAYSCALE:
- priv->color[COLORSEL_RED] = (double)pixel/((1<<visual->depth) - 1);
- priv->color[COLORSEL_GREEN] = (double)pixel/((1<<visual->depth) - 1);
- priv->color[COLORSEL_BLUE] = (double)pixel/((1<<visual->depth) - 1);
- break;
-#if defined (GDK_WINDOWING_X11)
- case GDK_VISUAL_STATIC_COLOR:
- xcolor.pixel = pixel;
- XQueryColor (GDK_DISPLAY (), GDK_COLORMAP_XCOLORMAP (colormap), &xcolor);
- priv->color[COLORSEL_RED] = xcolor.red/65535.0;
- priv->color[COLORSEL_GREEN] = xcolor.green/65535.0;
- priv->color[COLORSEL_BLUE] = xcolor.blue/65535.0;
- break;
-#endif
- case GDK_VISUAL_PSEUDO_COLOR:
- priv->color[COLORSEL_RED] = colormap->colors[pixel].red/(double)0xffffff;
- priv->color[COLORSEL_GREEN] = colormap->colors[pixel].green/(double)0xffffff;
- priv->color[COLORSEL_BLUE] = colormap->colors[pixel].blue/(double)0xffffff;
- break;
- default:
- g_assert_not_reached ();
- break;
- }
+ gdk_image_unref (image);
+
+ gdk_colormap_query_color (colormap, pixel, &color);
+
+ priv->color[COLORSEL_RED] = (double)color.red / 65535.0;
+ priv->color[COLORSEL_GREEN] = (double)color.green / 65535.0;
+ priv->color[COLORSEL_BLUE] = (double)color.blue / 65535.0;
gtk_rgb_to_hsv (priv->color[COLORSEL_RED],
priv->color[COLORSEL_GREEN],
&priv->color[COLORSEL_HUE],
&priv->color[COLORSEL_SATURATION],
&priv->color[COLORSEL_VALUE]);
+
update_color (colorsel);
}
static void
-mouse_motion (GtkWidget *button,
+shutdown_eyedropper (GtkWidget *widget)
+{
+ GtkColorSelection *colorsel;
+ ColorSelectionPrivate *priv;
+
+ colorsel = GTK_COLOR_SELECTION (widget);
+ priv = colorsel->private_data;
+
+ gdk_keyboard_ungrab (gtk_get_current_event_time ());
+ gdk_pointer_ungrab (gtk_get_current_event_time ());
+ gtk_grab_remove (priv->dropper_grab_widget);
+}
+
+static void
+mouse_motion (GtkWidget *invisible,
GdkEventMotion *event,
gpointer data)
{
- grab_color_at_mouse (button, event->x_root, event->y_root, data);
+ grab_color_at_mouse (invisible, event->x_root, event->y_root, data);
}
-static void
-mouse_release (GtkWidget *button,
+static gboolean
+mouse_release (GtkWidget *invisible,
GdkEventButton *event,
gpointer data)
{
GtkColorSelection *colorsel = data;
ColorSelectionPrivate *priv;
- priv = colorsel->private_data;
-
- gtk_signal_disconnect_by_func (GTK_OBJECT (button), mouse_motion, data);
- gtk_signal_disconnect_by_func (GTK_OBJECT (button), mouse_release, data);
+ priv = colorsel->private_data;
+
+ if (event->button != 1)
+ return FALSE;
+
+ grab_color_at_mouse (invisible, event->x_root, event->y_root, data);
+
+ shutdown_eyedropper (GTK_WIDGET (data));
- grab_color_at_mouse (button, event->x_root, event->y_root, data);
- gdk_pointer_ungrab (0);
+ gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
+ GTK_SIGNAL_FUNC (mouse_motion), data);
+ gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
+ GTK_SIGNAL_FUNC (mouse_release), data);
+
+ return TRUE;
}
/* Helper Functions */
-static void
-mouse_press (GtkWidget *button,
+
+static gboolean mouse_press (GtkWidget *invisible,
+ GdkEventButton *event,
+ gpointer data);
+
+static gboolean
+key_press (GtkWidget *invisible,
+ GdkEventKey *event,
+ gpointer data)
+{
+ if (event->keyval == GDK_Escape)
+ {
+ shutdown_eyedropper (data);
+
+ gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
+ GTK_SIGNAL_FUNC (mouse_press),
+ data);
+ gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
+ GTK_SIGNAL_FUNC (key_press),
+ data);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+mouse_press (GtkWidget *invisible,
GdkEventButton *event,
gpointer data)
{
ColorSelectionPrivate *priv;
priv = colorsel->private_data;
- gtk_signal_connect (GTK_OBJECT (button), "motion_notify_event", mouse_motion, data);
- gtk_signal_connect (GTK_OBJECT (button), "button_release_event", mouse_release, data);
- gtk_signal_disconnect_by_func (GTK_OBJECT (button), mouse_press, data);
+ if (event->type == GDK_BUTTON_PRESS &&
+ event->button == 1)
+ {
+ gtk_signal_connect (GTK_OBJECT (invisible), "motion_notify_event",
+ GTK_SIGNAL_FUNC (mouse_motion),
+ data);
+ gtk_signal_connect (GTK_OBJECT (invisible), "button_release_event",
+ GTK_SIGNAL_FUNC (mouse_release),
+ data);
+ gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
+ GTK_SIGNAL_FUNC (mouse_press),
+ data);
+ gtk_signal_disconnect_by_func (GTK_OBJECT (invisible),
+ GTK_SIGNAL_FUNC (key_press),
+ data);
+ return TRUE;
+ }
+
+ return FALSE;
}
/* when the button is clicked */
{
initialize_cursor ();
}
-
- /* Why do we do this? Because the "clicked" signal will be emitted after the "button_released"
- signal. We don't want to do this stuff again, though, or else it will get trapped here. So,
- priv->moving_dropper is initialized to FALSE at the initialization of the colorselector,
- it is initialized to true when we start waiting for the user to click the the dropper on a
- color, and whenver it is true when this function starts to execute, we set it to false. */
- if (priv->moving_dropper == FALSE)
+
+ if (priv->dropper_grab_widget == NULL)
{
- priv->moving_dropper = TRUE;
- gtk_signal_connect (GTK_OBJECT (button), "button_press_event", mouse_press, colorsel);
+ priv->dropper_grab_widget = gtk_invisible_new ();
+
+ gtk_widget_add_events (priv->dropper_grab_widget,
+ GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
- gdk_pointer_grab (button->window,
- FALSE,
- GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK,
- NULL,
- picker_cursor,
- 0);
+ gtk_widget_show (priv->dropper_grab_widget);
}
- else
+
+ if (gdk_keyboard_grab (priv->dropper_grab_widget->window,
+ FALSE,
+ gtk_get_current_event_time ()) != GDK_GRAB_SUCCESS)
+ {
+ g_warning ("Failed to grab keyboard to do eyedropper");
+ return;
+ }
+
+ if (gdk_pointer_grab (priv->dropper_grab_widget->window,
+ FALSE,
+ GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK,
+ NULL,
+ picker_cursor,
+ gtk_get_current_event_time ()) != GDK_GRAB_SUCCESS)
{
- priv->moving_dropper = FALSE;
+ gdk_keyboard_ungrab (GDK_CURRENT_TIME);
+ g_warning ("Failed to grab pointer to do eyedropper");
+ return;
}
+
+ gtk_grab_add (priv->dropper_grab_widget);
+
+ gtk_signal_connect (GTK_OBJECT (priv->dropper_grab_widget), "button_press_event",
+ GTK_SIGNAL_FUNC (mouse_press), colorsel);
+ gtk_signal_connect (GTK_OBJECT (priv->dropper_grab_widget), "key_press_event",
+ GTK_SIGNAL_FUNC (key_press), colorsel);
}
-void
+static void
hex_changed (GtkWidget *hex_entry,
gpointer data)
{
g_free (text);
}
-void
+static void
hsv_changed (GtkWidget *hsv,
gpointer data)
{
update_color (colorsel);
}
-void
+static void
adjustment_changed (GtkAdjustment *adjustment,
gpointer data)
{
update_color (colorsel);
}
-void
+static void
opacity_entry_changed (GtkWidget *opacity_entry,
gpointer data)
{
g_free (text);
}
-static void
-widget_focus_in (GtkWidget *drawing_area,
- GdkEventFocus *event,
- gpointer data)
-{
- GtkColorSelection *colorsel = GTK_COLOR_SELECTION (data);
- ColorSelectionPrivate *priv = colorsel->private_data;
-
- /* This signal is connected to by all of the widgets except the "Set Color" button
- * This will let you add a color to the currently selected palette
- */
-
- priv->last_palette = NULL;
-}
-
-
static void
make_label_spinbutton (GtkColorSelection *colorsel,
GtkWidget **spinbutton,
GtkWidget *table,
gint i,
gint j,
- gint channel_type)
+ gint channel_type,
+ const gchar *tooltip)
{
GtkWidget *label;
GtkAdjustment *adjust;
+ ColorSelectionPrivate *priv = colorsel->private_data;
if (channel_type == COLORSEL_HUE)
{
}
gtk_object_set_data (GTK_OBJECT (adjust), "COLORSEL", colorsel);
*spinbutton = gtk_spin_button_new (adjust, 10.0, 0);
- gtk_signal_connect (GTK_OBJECT (*spinbutton), "focus_in_event", widget_focus_in, colorsel);
- gtk_signal_connect (GTK_OBJECT (adjust), "value_changed", adjustment_changed, GINT_TO_POINTER (channel_type));
- label = gtk_label_new (text);
+
+ gtk_tooltips_set_tip (priv->tooltips, *spinbutton, tooltip, NULL);
+
+ gtk_signal_connect (GTK_OBJECT (adjust), "value_changed",
+ GTK_SIGNAL_FUNC (adjustment_changed),
+ GINT_TO_POINTER (channel_type));
+ label = gtk_label_new_with_mnemonic (text);
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), *spinbutton);
+
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), label, i, i+1, j, j+1);
gtk_table_attach_defaults (GTK_TABLE (table), *spinbutton, i+1, i+2, j, j+1);
{
ColorSelectionPrivate *priv = colorsel->private_data;
- if (priv->last_palette != NULL)
- gtk_widget_queue_clear (priv->last_palette);
-
- priv->last_palette = priv->custom_palette[x][y];
+ gtk_widget_grab_focus (priv->custom_palette[x][y]);
+}
- gtk_widget_queue_clear (priv->last_palette);
+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
priv->color[COLORSEL_VALUE]);
gtk_adjustment_set_value (gtk_spin_button_get_adjustment
(GTK_SPIN_BUTTON (priv->hue_spinbutton)),
- priv->color[COLORSEL_HUE] * 360);
+ scale_round (priv->color[COLORSEL_HUE], 360));
gtk_adjustment_set_value (gtk_spin_button_get_adjustment
(GTK_SPIN_BUTTON (priv->sat_spinbutton)),
- priv->color[COLORSEL_SATURATION] * 255);
+ scale_round (priv->color[COLORSEL_SATURATION], 255));
gtk_adjustment_set_value (gtk_spin_button_get_adjustment
(GTK_SPIN_BUTTON (priv->val_spinbutton)),
- priv->color[COLORSEL_VALUE] * 255);
+ scale_round (priv->color[COLORSEL_VALUE], 255));
gtk_adjustment_set_value (gtk_spin_button_get_adjustment
(GTK_SPIN_BUTTON (priv->red_spinbutton)),
- priv->color[COLORSEL_RED] * 255);
+ scale_round (priv->color[COLORSEL_RED], 255));
gtk_adjustment_set_value (gtk_spin_button_get_adjustment
(GTK_SPIN_BUTTON (priv->green_spinbutton)),
- priv->color[COLORSEL_GREEN] * 255);
+ scale_round (priv->color[COLORSEL_GREEN], 255));
gtk_adjustment_set_value (gtk_spin_button_get_adjustment
(GTK_SPIN_BUTTON (priv->blue_spinbutton)),
- priv->color[COLORSEL_BLUE] * 255);
+ scale_round (priv->color[COLORSEL_BLUE], 255));
gtk_adjustment_set_value (gtk_range_get_adjustment
(GTK_RANGE (priv->opacity_slider)),
- priv->color[COLORSEL_OPACITY] * 255);
+ scale_round (priv->color[COLORSEL_OPACITY], 255));
g_snprintf (opacity_text, 32, "%.0f", priv->color[COLORSEL_OPACITY] * 255);
gtk_entry_set_text (GTK_ENTRY (priv->opacity_entry), opacity_text);
g_snprintf (entryval, 11, "#%2X%2X%2X",
- (guint) (255 * priv->color[COLORSEL_RED]),
- (guint) (255 * priv->color[COLORSEL_GREEN]),
- (guint) (255 * priv->color[COLORSEL_BLUE]));
+ (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 == ' ')
priv->changing = FALSE;
}
+
static void
-add_button_pressed (GtkWidget *button,
- GtkColorSelection *colorsel)
+fill_palette_from_string (const gchar *str)
{
- ColorSelectionPrivate *priv;
- gint i, j;
+ GdkColor *colors = NULL;
+ gint n_colors = 0;
+
+ if (str == NULL)
+ return;
- priv = colorsel->private_data;
+ if (!gtk_color_selection_palette_from_string (str, &colors, &n_colors))
+ return;
+
+ if (n_colors > (GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT))
+ n_colors = GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT;
+
+ memcpy (current_colors, colors, sizeof (GdkColor) * n_colors);
+
+ g_free (colors);
+}
+
+static void
+palette_change_notify_class (GObject *object,
+ GParamSpec *pspec)
+{
+ gchar *str = NULL;
+
+ g_object_get (object, pspec->name, &str, NULL);
+
+ fill_palette_from_string (str);
+
+ g_free (str);
+}
+
+static void
+update_palette (GtkColorSelection *colorsel)
+{
+ gint i, j;
- for (j = 0; j < GTK_CUSTOM_PALETTE_HEIGHT; j++)
+ for (i = 0; i < GTK_CUSTOM_PALETTE_HEIGHT; i++)
{
- for (i = 0; i < GTK_CUSTOM_PALETTE_WIDTH; i++)
+ for (j = 0; j < GTK_CUSTOM_PALETTE_WIDTH; j++)
{
- /* Either last_palette is set and we're on it, or it's an empty palette */
- if ((priv->last_palette && priv->last_palette == priv->custom_palette[i][j]) ||
- ((priv->last_palette == NULL) &&
- (GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (priv->custom_palette[i][j]),
- "color_set")) == 0)))
- {
- palette_set_color (priv->custom_palette[i][j], colorsel, priv->color);
-
- /* forward the selection */
- if ((i == GTK_CUSTOM_PALETTE_WIDTH - 1) && (j == GTK_CUSTOM_PALETTE_HEIGHT - 1))
- set_selected_palette (colorsel, 0, 0);
- else if (i == GTK_CUSTOM_PALETTE_WIDTH - 1)
- set_selected_palette (colorsel, 0, j + 1);
- else
- set_selected_palette (colorsel, i + 1, j);
-
- return;
- }
+ gint index;
+
+ index = i * GTK_CUSTOM_PALETTE_WIDTH + j;
+
+ gtk_color_selection_set_palette_color (colorsel,
+ index,
+ ¤t_colors[index]);
}
}
+}
+
+static void
+palette_change_notify_instance (GObject *object,
+ GParamSpec *pspec,
+ gpointer data)
+{
+ update_palette (GTK_COLOR_SELECTION (data));
+}
+
+static void
+default_change_palette_func (const GdkColor *colors,
+ gint n_colors)
+{
+ gchar *str;
+
+ str = gtk_color_selection_palette_to_string (colors, n_colors);
- /* the palette is totally full. Add to the first one totally arbitrarily */
- palette_set_color (priv->custom_palette[0][0], colorsel, priv->color);
+ gtk_settings_set_string_property (gtk_settings_get_global (),
+ "gtk-color-palette",
+ str,
+ "gtk_color_selection_palette_to_string");
- /* forward the selection */
- set_selected_palette (colorsel, 1, 0);
+ g_free (str);
}
GtkType
gtk_color_selection_class_init (GtkColorSelectionClass *klass)
{
GtkObjectClass *object_class;
+ GObjectClass *gobject_class;
- object_class = (GtkObjectClass*) klass;
+ object_class = GTK_OBJECT_CLASS (klass);
+ gobject_class = G_OBJECT_CLASS (klass);
parent_class = gtk_type_class (GTK_TYPE_VBOX);
+ object_class->destroy = gtk_color_selection_destroy;
+ gobject_class->finalize = gtk_color_selection_finalize;
+
color_selection_signals[COLOR_CHANGED] =
gtk_signal_new ("color_changed",
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkColorSelectionClass, color_changed),
- gtk_marshal_NONE__NONE,
+ gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
+
+ gtk_settings_install_property (gtk_settings_get_global (),
+ g_param_spec_string ("gtk-color-palette",
+ _("Custom palette"),
+ _("Palette to use in the color selector"),
+ default_colors,
+ G_PARAM_READWRITE));
+ fill_palette_from_string (default_colors);
+
+ change_palette_hook = default_change_palette_func;
- gtk_object_class_add_signals (object_class, color_selection_signals, LAST_SIGNAL);
-
- object_class->destroy = gtk_color_selection_destroy;
+ g_signal_connect_data (G_OBJECT (gtk_settings_get_global ()),
+ "notify::gtk-color-palette",
+ G_CALLBACK (palette_change_notify_class),
+ NULL, NULL, FALSE, FALSE);
}
/* widget functions */
+
static void
gtk_color_selection_init (GtkColorSelection *colorsel)
{
priv = colorsel->private_data = g_new0 (ColorSelectionPrivate, 1);
priv->changing = FALSE;
priv->default_set = FALSE;
- priv->last_palette = NULL;
- priv->moving_dropper = FALSE;
+ priv->default_alpha_set = FALSE;
+
+ priv->tooltips = gtk_tooltips_new ();
gtk_box_set_spacing (GTK_BOX (colorsel), 4);
top_hbox = gtk_hbox_new (FALSE, 8);
vbox = gtk_vbox_new (FALSE, 4);
priv->triangle_colorsel = gtk_hsv_new ();
- gtk_signal_connect (GTK_OBJECT (priv->triangle_colorsel), "changed", hsv_changed, colorsel);
+ gtk_signal_connect (GTK_OBJECT (priv->triangle_colorsel), "changed",
+ GTK_SIGNAL_FUNC (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, 0);
gtk_box_pack_start (GTK_BOX (vbox), priv->triangle_colorsel, FALSE, FALSE, 0);
+ gtk_tooltips_set_tip (priv->tooltips, priv->triangle_colorsel,
+ _("Select the color you want from the outer ring. Select the darkness or lightness of that color using the inner triangle."), NULL);
hbox = gtk_hbox_new (FALSE, 4);
gtk_box_pack_end (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
button = gtk_button_new ();
- gtk_signal_connect (GTK_OBJECT (button), "focus_in_event", widget_focus_in, colorsel);
+
gtk_widget_set_events (button, GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
gtk_object_set_data (GTK_OBJECT (button), "COLORSEL", colorsel);
- gtk_signal_connect (GTK_OBJECT (button), "clicked", get_screen_color, NULL);
+ gtk_signal_connect (GTK_OBJECT (button), "clicked",
+ GTK_SIGNAL_FUNC (get_screen_color), NULL);
dropper_pixmap = gdk_pixmap_colormap_create_from_xpm_d (NULL, gtk_widget_get_colormap (button), &mask, NULL, picker);
dropper_image = gtk_pixmap_new (dropper_pixmap, mask);
+ gdk_pixmap_unref (dropper_pixmap);
+ if (mask)
+ gdk_pixmap_unref (mask);
gtk_container_add (GTK_CONTAINER (button), dropper_image);
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+
+ gtk_tooltips_set_tip (priv->tooltips,
+ button,
+ _("Click the eyedropper, then click a color anywhere on your screen to select that color."), NULL);
top_right_vbox = gtk_vbox_new (FALSE, 4);
gtk_box_pack_start (GTK_BOX (top_hbox), top_right_vbox, FALSE, FALSE, 0);
gtk_table_set_row_spacings (GTK_TABLE (table), 4);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
- make_label_spinbutton (colorsel, &priv->hue_spinbutton, _("Hue:"), table, 0, 0, COLORSEL_HUE);
- make_label_spinbutton (colorsel, &priv->sat_spinbutton, _("Saturation:"), table, 0, 1, COLORSEL_SATURATION);
- make_label_spinbutton (colorsel, &priv->val_spinbutton, _("Value:"), table, 0, 2, COLORSEL_VALUE);
- make_label_spinbutton (colorsel, &priv->red_spinbutton, _("Red:"), table, 6, 0, COLORSEL_RED);
- make_label_spinbutton (colorsel, &priv->green_spinbutton, _("Green:"), table, 6, 1, COLORSEL_GREEN);
- make_label_spinbutton (colorsel, &priv->blue_spinbutton, _("Blue:"), table, 6, 2, COLORSEL_BLUE);
+ make_label_spinbutton (colorsel, &priv->hue_spinbutton, _("_Hue:"), table, 0, 0, COLORSEL_HUE,
+ _("Position on the color wheel."));
+ make_label_spinbutton (colorsel, &priv->sat_spinbutton, _("_Saturation:"), table, 0, 1, COLORSEL_SATURATION,
+ _("\"Deepness\" 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_table_attach_defaults (GTK_TABLE (table), gtk_hseparator_new (), 0, 8, 3, 4);
- priv->opacity_label = gtk_label_new (_("Opacity:"));
+ priv->opacity_label = gtk_label_new_with_mnemonic (_("_Opacity:"));
gtk_misc_set_alignment (GTK_MISC (priv->opacity_label), 1.0, 0.5);
gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_label, 0, 1, 4, 5);
adjust = GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 255.0, 1.0, 1.0, 0.0));
gtk_object_set_data (GTK_OBJECT (adjust), "COLORSEL", colorsel);
- priv->opacity_slider = gtk_hscale_new (adjust);
+ priv->opacity_slider = gtk_hscale_new (adjust);
+ gtk_tooltips_set_tip (priv->tooltips,
+ priv->opacity_slider,
+ _("Transparency of the currently-selected color."), NULL);
+ gtk_label_set_mnemonic_widget (GTK_LABEL (priv->opacity_label),
+ priv->opacity_slider);
gtk_scale_set_draw_value (GTK_SCALE (priv->opacity_slider), FALSE);
- gtk_signal_connect (GTK_OBJECT(adjust), "value_changed", adjustment_changed, GINT_TO_POINTER (COLORSEL_OPACITY));
+ gtk_signal_connect (GTK_OBJECT(adjust), "value_changed",
+ GTK_SIGNAL_FUNC (adjustment_changed),
+ GINT_TO_POINTER (COLORSEL_OPACITY));
gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_slider, 1, 7, 4, 5);
priv->opacity_entry = gtk_entry_new ();
gtk_widget_set_usize (priv->opacity_entry, 40, 0);
- gtk_signal_connect (GTK_OBJECT (priv->opacity_entry), "focus_in_event", widget_focus_in, colorsel);
- gtk_signal_connect (GTK_OBJECT (priv->opacity_entry), "activate", opacity_entry_changed, colorsel);
+
+ gtk_signal_connect (GTK_OBJECT (priv->opacity_entry), "activate",
+ GTK_SIGNAL_FUNC (opacity_entry_changed), colorsel);
gtk_table_attach_defaults (GTK_TABLE (table), priv->opacity_entry, 7, 8, 4, 5);
- label = gtk_label_new (_("Hex Value:"));
+ label = gtk_label_new_with_mnemonic (_("Color _Name:"));
gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 5, 6);
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5);
priv->hex_entry = gtk_entry_new ();
- gtk_signal_connect (GTK_OBJECT (priv->hex_entry), "activate", hex_changed, colorsel);
+
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), priv->hex_entry);
+
+ gtk_signal_connect (GTK_OBJECT (priv->hex_entry), "activate",
+ GTK_SIGNAL_FUNC (hex_changed), colorsel);
+
+ gtk_tooltips_set_tip (priv->tooltips,
+ priv->hex_entry,
+ _("You can enter an HTML-style hexadecimal color value, or simply a color name such as 'orange' in this entry."), NULL);
+
gtk_widget_set_usize (priv->hex_entry, 75, -1);
gtk_table_set_col_spacing (GTK_TABLE (table), 3, 15);
gtk_table_attach_defaults (GTK_TABLE (table), priv->hex_entry, 1, 5, 5, 6);
}
}
set_selected_palette (colorsel, 0, 0);
- priv->palette_frame = gtk_frame_new (_("Custom Palette"));
+ priv->palette_frame = gtk_frame_new (NULL);
+ label = gtk_label_new_with_mnemonic (_("_Palette"));
+ gtk_frame_set_label_widget (GTK_FRAME (priv->palette_frame), label);
+
+ 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, 0);
vbox = gtk_vbox_new (FALSE, 4);
gtk_container_add (GTK_CONTAINER (priv->palette_frame), vbox);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
- button = gtk_button_new_with_label (_("Set Color"));
- gtk_signal_connect (GTK_OBJECT (button), "clicked", add_button_pressed, colorsel);
- gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
gtk_widget_show_all (top_hbox);
+
+ /* Set default colors */
+
+ update_palette (colorsel);
+
+ g_signal_connect_data (G_OBJECT (gtk_settings_get_global ()),
+ "notify::gtk-color-palette",
+ G_CALLBACK (palette_change_notify_instance),
+ colorsel, NULL, FALSE, FALSE);
+
+ /* hide unused stuff */
- if (priv->use_opacity == FALSE)
+ 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->use_palette == FALSE)
+ if (priv->has_palette == FALSE)
{
gtk_widget_hide (priv->palette_frame);
}
static void
gtk_color_selection_destroy (GtkObject *object)
+{
+ GtkColorSelection *cselection = GTK_COLOR_SELECTION (object);
+ ColorSelectionPrivate *priv = cselection->private_data;
+
+ if (priv->dropper_grab_widget)
+ {
+ gtk_widget_destroy (priv->dropper_grab_widget);
+ priv->dropper_grab_widget = NULL;
+ }
+
+ if (priv->tooltips)
+ {
+ gtk_object_destroy (priv->tooltips);
+ priv->tooltips = NULL;
+ }
+
+ GTK_OBJECT_CLASS (parent_class)->destroy (object);
+}
+
+static void
+gtk_color_selection_finalize (GObject *object)
{
GtkColorSelection *cselection = GTK_COLOR_SELECTION (object);
cselection->private_data = NULL;
}
- GTK_OBJECT_CLASS (parent_class)->destroy (object);
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
-
/**
* gtk_color_selection_new:
- * @void:
*
* Creates a new GtkColorSelection.
*
colorsel = gtk_type_new (GTK_TYPE_COLOR_SELECTION);
priv = colorsel->private_data;
gtk_color_selection_set_color (colorsel, color);
- gtk_color_selection_set_use_opacity (colorsel, FALSE);
+ 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_use_opacity:
+ * gtk_color_selection_get_has_opacity_control:
* @colorsel: A GtkColorSelection.
*
- * Determines whether the colorsel can use opacity.
+ * Determines whether the colorsel has an opacity control.
*
- * Return value: TRUE if the @colorsel uses opacity. FALSE if it does't.
+ * Return value: TRUE if the @colorsel has an opacity control. FALSE if it does't.
**/
gboolean
-gtk_color_selection_get_use_opacity (GtkColorSelection *colorsel)
+gtk_color_selection_get_has_opacity_control (GtkColorSelection *colorsel)
{
ColorSelectionPrivate *priv;
priv = colorsel->private_data;
- return priv->use_opacity;
+ return priv->has_opacity;
}
/**
- * gtk_color_selection_set_use_opacity:
+ * gtk_color_selection_set_has_opacity_control:
* @colorsel: A GtkColorSelection.
- * @use_opacity: TRUE if @colorsel can set the opacity, FALSE otherwise.
+ * @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_use_opacity (GtkColorSelection *colorsel,
- gboolean use_opacity)
+gtk_color_selection_set_has_opacity_control (GtkColorSelection *colorsel,
+ gboolean has_opacity)
{
ColorSelectionPrivate *priv;
g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
priv = colorsel->private_data;
- use_opacity = use_opacity != FALSE;
+ has_opacity = has_opacity != FALSE;
- if (priv->use_opacity != use_opacity)
+ if (priv->has_opacity != has_opacity)
{
- priv->use_opacity = use_opacity;
- if (use_opacity)
+ priv->has_opacity = has_opacity;
+ if (has_opacity)
{
gtk_widget_show (priv->opacity_slider);
gtk_widget_show (priv->opacity_label);
}
/**
- * gtk_color_selection_get_use_palette:
+ * gtk_color_selection_get_has_palette:
* @colorsel: A GtkColorSelection.
*
- * Determines whether the palette is used.
+ * Determines whether the color selector has a color palette.
*
- * Return value: TRUE if the palette is used. FALSE if it isn't.
+ * Return value: TRUE if the selector has a palette. FALSE if it hasn't.
**/
gboolean
-gtk_color_selection_get_use_palette (GtkColorSelection *colorsel)
+gtk_color_selection_get_has_palette (GtkColorSelection *colorsel)
{
ColorSelectionPrivate *priv;
priv = colorsel->private_data;
- return priv->use_palette;
+ return priv->has_palette;
}
/**
- * gtk_color_selection_set_use_palette:
+ * gtk_color_selection_set_has_palette:
* @colorsel: A GtkColorSelection.
- * @use_palette: TRUE if palette is to be visible, FALSE otherwise.
+ * @has_palette: TRUE if palette is to be visible, FALSE otherwise.
*
- * Shows and hides the palette based upon the value of @use_palette.
+ * Shows and hides the palette based upon the value of @has_palette.
*
**/
void
-gtk_color_selection_set_use_palette (GtkColorSelection *colorsel,
- gboolean use_palette)
+gtk_color_selection_set_has_palette (GtkColorSelection *colorsel,
+ gboolean has_palette)
{
ColorSelectionPrivate *priv;
g_return_if_fail (colorsel != NULL);
g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
priv = colorsel->private_data;
- use_palette = use_palette != FALSE;
+ has_palette = has_palette != FALSE;
- if (priv->use_palette != use_palette)
+ if (priv->has_palette != has_palette)
{
- priv->use_palette = use_palette;
- if (use_palette)
+ priv->has_palette = has_palette;
+ if (has_palette)
gtk_widget_show (priv->palette_frame);
else
gtk_widget_hide (priv->palette_frame);
}
/**
- * gtk_color_selection_set_color:
+ * gtk_color_selection_set_current_color:
* @colorsel: A GtkColorSelection.
- * @color: A color to set the current color with.
+ * @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.
*
**/
void
+gtk_color_selection_set_current_color (GtkColorSelection *colorsel,
+ GdkColor *color)
+{
+ ColorSelectionPrivate *priv;
+ gint i;
+
+ g_return_if_fail (colorsel != NULL);
+ g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
+
+ priv = colorsel->private_data;
+ priv->changing = TRUE;
+ priv->color[COLORSEL_RED] = color->red / 65535.0;
+ priv->color[COLORSEL_GREEN] = color->green / 65535.0;
+ priv->color[COLORSEL_BLUE] = color->blue / 65535.0;
+ 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];
+ }
+ update_color (colorsel);
+ priv->default_set = TRUE;
+}
+
+/**
+ * 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)
+{
+ ColorSelectionPrivate *priv;
+ gint i;
+
+ g_return_if_fail (colorsel != NULL);
+ g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
+
+ priv = colorsel->private_data;
+ priv->changing = TRUE;
+ priv->color[COLORSEL_OPACITY] = alpha / 65535.0;
+ if (priv->default_alpha_set == FALSE)
+ {
+ for (i = 0; i < COLORSEL_NUM_CHANNELS; i++)
+ priv->old_color[i] = priv->color[i];
+ }
+ update_color (colorsel);
+ priv->default_alpha_set = TRUE;
+}
+
+/**
+ * gtk_color_selection_set_color:
+ * @colorsel: A GtkColorSelection.
+ * @color: A array of doubles that specifies the color 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.
+ *
+ * This function is deprecated, use gtk_color_selection_set_current_color() instead.
+ *
+ **/
+void
gtk_color_selection_set_color (GtkColorSelection *colorsel,
gdouble *color)
{
}
update_color (colorsel);
priv->default_set = TRUE;
+ priv->default_alpha_set = TRUE;
+}
+
+/**
+ * gtk_color_selection_get_current_color:
+ * @colorsel: A GtkColorSelection.
+ * @color: A GdkColor to fill in with the current color.
+ *
+ * Sets @color to be the current color in the GtkColorSelection widget.
+ *
+ * This function is deprecated, use gtk_color_selection_get_current_color() instead.
+ **/
+void
+gtk_color_selection_get_current_color (GtkColorSelection *colorsel,
+ GdkColor *color)
+{
+ ColorSelectionPrivate *priv;
+
+ g_return_if_fail (colorsel != NULL);
+ g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
+
+ priv = colorsel->private_data;
+ color->red = priv->color[COLORSEL_RED] * 65535;
+ color->green = priv->color[COLORSEL_GREEN] * 65535;
+ color->blue = priv->color[COLORSEL_BLUE] * 65535;
+}
+
+/**
+ * gtk_color_selection_get_current_alpha:
+ * @colorsel: A GtkColorSelection.
+ *
+ * Returns the current alpha value
+ *
+ * Return value: an integer between 0 and 65535
+ **/
+guint16
+gtk_color_selection_get_current_alpha (GtkColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv;
+
+ g_return_val_if_fail (colorsel != NULL, 0);
+ g_return_val_if_fail (GTK_IS_COLOR_SELECTION (colorsel), 0);
+
+ priv = colorsel->private_data;
+ return priv->has_opacity ? priv->color[COLORSEL_OPACITY] * 65535 : 1.0;
}
/**
color[0] = priv->color[COLORSEL_RED];
color[1] = priv->color[COLORSEL_GREEN];
color[2] = priv->color[COLORSEL_BLUE];
- color[3] = priv->use_opacity ? priv->color[COLORSEL_OPACITY] : 1.0;
+ color[3] = priv->has_opacity ? priv->color[COLORSEL_OPACITY] : 1.0;
}
/**
- * gtk_color_selection_get_old_color:
+ * gtk_color_selection_set_previous_color:
* @colorsel: A GtkColorSelection.
- * @color: A color to set the original color with.
+ * @color: A color to set the previous color with.
*
- * Sets the 'original' color to be @color. This function should be called 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_color will also set this color the first
+ * Calling gtk_color_selection_set_current_color will also set this color the first
* time it is called.
*
**/
void
-gtk_color_selection_set_old_color (GtkColorSelection *colorsel,
- gdouble *color)
+gtk_color_selection_set_previous_color (GtkColorSelection *colorsel,
+ GdkColor *color)
{
ColorSelectionPrivate *priv;
priv = colorsel->private_data;
priv->changing = TRUE;
- priv->old_color[COLORSEL_RED] = color[0];
- priv->old_color[COLORSEL_GREEN] = color[1];
- priv->old_color[COLORSEL_BLUE] = color[2];
- priv->old_color[COLORSEL_OPACITY] = color[3];
+ priv->old_color[COLORSEL_RED] = color->red / 65535.0;
+ priv->old_color[COLORSEL_GREEN] = color->green / 65535.0;
+ priv->old_color[COLORSEL_BLUE] = color->blue / 65535.0;
gtk_rgb_to_hsv (priv->old_color[COLORSEL_RED],
priv->old_color[COLORSEL_GREEN],
priv->old_color[COLORSEL_BLUE],
}
/**
- * gtk_color_selection_get_old_color:
+ * gtk_color_selection_set_previous_alpha:
* @colorsel: A GtkColorSelection.
- * @color: A color to fill in with the original color value.
+ * @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 color change.
+ *
+ **/
+void
+gtk_color_selection_set_previous_alpha (GtkColorSelection *colorsel,
+ guint16 alpha)
+{
+ ColorSelectionPrivate *priv;
+
+ g_return_if_fail (colorsel != NULL);
+ g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
+
+ priv = colorsel->private_data;
+ priv->changing = TRUE;
+ priv->old_color[COLORSEL_OPACITY] = alpha / 65535.0;
+ color_sample_draw_samples (colorsel);
+ priv->default_alpha_set = TRUE;
+}
+
+
+/**
+ * gtk_color_selection_get_previous_color:
+ * @colorsel: A GtkColorSelection.
+ * @color: A GdkColor to fill in with the original color value.
*
* Fills @color in with the original color value.
*
**/
void
-gtk_color_selection_get_old_color (GtkColorSelection *colorsel,
- gdouble *color)
+gtk_color_selection_get_previous_color (GtkColorSelection *colorsel,
+ GdkColor *color)
{
ColorSelectionPrivate *priv;
g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
priv = colorsel->private_data;
- color[0] = priv->old_color[COLORSEL_RED];
- color[1] = priv->old_color[COLORSEL_GREEN];
- color[2] = priv->old_color[COLORSEL_BLUE];
- color[3] = priv->use_opacity ? priv->old_color[COLORSEL_OPACITY] : 1.0;
+ color->red = priv->old_color[COLORSEL_RED] * 65535;
+ color->green = priv->old_color[COLORSEL_GREEN] * 65535;
+ color->blue = priv->old_color[COLORSEL_BLUE] * 65535;
+}
+
+/**
+ * gtk_color_selection_get_previous_alpha:
+ * @colorsel: A GtkColorSelection.
+ *
+ * Returns the previous alpha value
+ *
+ * Return value: an integer between 0 and 65535
+ **/
+guint16
+gtk_color_selection_get_previous_alpha (GtkColorSelection *colorsel)
+{
+ ColorSelectionPrivate *priv;
+
+ g_return_val_if_fail (colorsel != NULL, 0);
+ g_return_val_if_fail (GTK_IS_COLOR_SELECTION (colorsel), 0);
+
+ priv = colorsel->private_data;
+ return priv->has_opacity ? priv->old_color[COLORSEL_OPACITY] * 65535 : 1.0;
}
/**
* gtk_color_selection_set_palette_color:
* @colorsel: A GtkColorSelection.
- * @x: The x coordinate of the palette.
- * @y: The y coordinate of the palette.
- * @color: A color to set the palette with.
+ * @index: The color index of the palette.
+ * @color: A GdkColor to set the palette with.
*
- * Set the palette located at (@x, @y) to have @color set as its color.
+ * Set the palette located at at @index to have @color set as its color.
*
**/
-void
+static void
gtk_color_selection_set_palette_color (GtkColorSelection *colorsel,
- gint x,
- gint y,
- gdouble *color)
+ gint index,
+ GdkColor *color)
{
ColorSelectionPrivate *priv;
+ gint x, y;
+ gdouble col[3];
g_return_if_fail (colorsel != NULL);
g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (x >= 0 && y >= 0 && x < GTK_CUSTOM_PALETTE_WIDTH && y < GTK_CUSTOM_PALETTE_HEIGHT);
+ 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;
- palette_set_color (priv->custom_palette[x][y], colorsel, color);
+ col[0] = color->red / 65535.0;
+ col[1] = color->green / 65535.0;
+ col[2] = color->blue / 65535.0;
+
+ palette_set_color (priv->custom_palette[x][y], colorsel, col);
}
/**
* gtk_color_selection_get_palette_color:
* @colorsel: A GtkColorSelection.
- * @x: The x coordinate of the palette.
- * @y: The y coordinate of the palette.
+ * @index: The color index of the palette.
* @color: A color to fill in with the color value.
*
- * Set @color to have the color found in the palette located at (@x, @y). If
+ * Set @color to have the color found in the palette at @index. If
* the palette is unset, it will leave the color unset.
*
- * Return value: TRUE if the palette located at (@x, @y) has a color set. FALSE
+ * Return value: TRUE if the palette located at @index has a color set. FALSE
* if it doesn't.
**/
-gboolean
+static gboolean
gtk_color_selection_get_palette_color (GtkColorSelection *colorsel,
- gint x,
- gint y,
- gdouble *color)
+ gint index,
+ GdkColor *color)
{
ColorSelectionPrivate *priv;
+ gint x, y;
+ gdouble col[4];
g_return_val_if_fail (colorsel != NULL, FALSE);
g_return_val_if_fail (GTK_IS_COLOR_SELECTION (colorsel), FALSE);
- g_return_val_if_fail (x >= 0 && y >= 0 && x < GTK_CUSTOM_PALETTE_WIDTH && y < GTK_CUSTOM_PALETTE_HEIGHT, FALSE);
+ g_return_val_if_fail (index >= 0 && index < GTK_CUSTOM_PALETTE_WIDTH*GTK_CUSTOM_PALETTE_HEIGHT, FALSE);
priv = colorsel->private_data;
-
+
+ x = index % GTK_CUSTOM_PALETTE_WIDTH;
+ y = index / GTK_CUSTOM_PALETTE_WIDTH;
+
if (GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (priv->custom_palette[x][y]), "color_set")) == 0)
return FALSE;
- palette_get_color (priv->custom_palette[x][y], color);
+ palette_get_color (priv->custom_palette[x][y], col);
+
+ color->red = col[0] * 65535;
+ color->green = col[1] * 65535;
+ color->blue = col[2] * 65535;
+
return TRUE;
}
/**
* gtk_color_selection_unset_palette_color:
* @colorsel: A GtkColorSelection.
- * @x: The x coordinate of the palette.
- * @y: The y coordinate of the palette.
+ * @index: The color index in the palette.
*
- * Change the palette located at (@x, @y) to have no color set.
+ * Change the palette located @index to have no color set.
*
**/
-void
+static void
gtk_color_selection_unset_palette_color (GtkColorSelection *colorsel,
- gint x,
- gint y)
+ gint index)
{
ColorSelectionPrivate *priv;
+ gint x, y;
g_return_if_fail (colorsel != NULL);
g_return_if_fail (GTK_IS_COLOR_SELECTION (colorsel));
- g_return_if_fail (x >= 0 && y >= 0 && x < GTK_CUSTOM_PALETTE_WIDTH && y < GTK_CUSTOM_PALETTE_HEIGHT);
+ 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;
palette_unset_color (priv->custom_palette[x][y]);
}
+/**
+ * gtk_color_selection_get_current_alpha:
+ * @colorsel: A GtkColorSelection.
+ *
+ * Returns the maximum number of palette colors.
+ *
+ * Return value: the maximum number of palette indexes
+ **/
+static gint
+gtk_color_selection_get_palette_size (GtkColorSelection *colorsel)
+{
+ return GTK_CUSTOM_PALETTE_WIDTH * GTK_CUSTOM_PALETTE_HEIGHT;
+}
+
+
/**
* gtk_color_selection_is_adjusting:
* @colorsel: A GtkColorSelection.
return (gtk_hsv_is_adjusting (GTK_HSV (priv->triangle_colorsel)));
}
+
+
+/**
+ * gtk_color_selection_palette_from_string:
+ * @str: a string encoding a color palette
+ * @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().
+ *
+ * Return value: %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: an array of colors
+ * @n_colors: length of the array
+ *
+ * Encodes a palette as a string, useful for persistent storage.
+ *
+ * Return value: 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_hook:
+ * @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 property
+ * "gtk-color-palette" so all GtkColorSelection widgets will be modified.
+ *
+ * Return value: the previous change palette hook (that was replaced)
+ **/
+GtkColorSelectionChangePaletteFunc
+gtk_color_selection_set_change_palette_hook (GtkColorSelectionChangePaletteFunc func)
+{
+ GtkColorSelectionChangePaletteFunc old;
+
+ old = change_palette_hook;
+
+ change_palette_hook = func;
+
+ return old;
+}
+
+
+
projects / ~andy / gtk / blobdiff