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-rw-r--r--app/widgets/gimpcolorpanel.c331
1 files changed, 331 insertions, 0 deletions
diff --git a/app/widgets/gimpcolorpanel.c b/app/widgets/gimpcolorpanel.c
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--- /dev/null
+++ b/app/widgets/gimpcolorpanel.c
@@ -0,0 +1,331 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "config/gimpcoreconfig.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimpmarshal.h"
+
+#include "gimpaction.h"
+#include "gimpactiongroup.h"
+#include "gimpactionimpl.h"
+#include "gimpcolordialog.h"
+#include "gimpcolorpanel.h"
+
+
+#define RGBA_EPSILON 1e-6
+
+enum
+{
+ RESPONSE,
+ LAST_SIGNAL
+};
+
+
+/* local function prototypes */
+
+static void gimp_color_panel_dispose (GObject *object);
+
+static gboolean gimp_color_panel_button_press (GtkWidget *widget,
+ GdkEventButton *bevent);
+
+static void gimp_color_panel_clicked (GtkButton *button);
+
+static void gimp_color_panel_color_changed (GimpColorButton *button);
+static GType gimp_color_panel_get_action_type (GimpColorButton *button);
+
+static void gimp_color_panel_dialog_update (GimpColorDialog *dialog,
+ const GimpRGB *color,
+ GimpColorDialogState state,
+ GimpColorPanel *panel);
+
+
+G_DEFINE_TYPE (GimpColorPanel, gimp_color_panel, GIMP_TYPE_COLOR_BUTTON)
+
+#define parent_class gimp_color_panel_parent_class
+
+static guint color_panel_signals[LAST_SIGNAL] = { 0, };
+
+
+static void
+gimp_color_panel_class_init (GimpColorPanelClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
+ GimpColorButtonClass *color_button_class = GIMP_COLOR_BUTTON_CLASS (klass);
+
+ object_class->dispose = gimp_color_panel_dispose;
+
+ widget_class->button_press_event = gimp_color_panel_button_press;
+
+ button_class->clicked = gimp_color_panel_clicked;
+
+ color_button_class->color_changed = gimp_color_panel_color_changed;
+ color_button_class->get_action_type = gimp_color_panel_get_action_type;
+
+ color_panel_signals[RESPONSE] =
+ g_signal_new ("response",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GimpColorPanelClass, response),
+ NULL, NULL,
+ gimp_marshal_VOID__ENUM,
+ G_TYPE_NONE, 1,
+ GIMP_TYPE_COLOR_DIALOG_STATE);
+}
+
+static void
+gimp_color_panel_init (GimpColorPanel *panel)
+{
+ panel->context = NULL;
+ panel->color_dialog = NULL;
+}
+
+static void
+gimp_color_panel_dispose (GObject *object)
+{
+ GimpColorPanel *panel = GIMP_COLOR_PANEL (object);
+
+ if (panel->color_dialog)
+ {
+ gtk_widget_destroy (panel->color_dialog);
+ panel->color_dialog = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static gboolean
+gimp_color_panel_button_press (GtkWidget *widget,
+ GdkEventButton *bevent)
+{
+ if (gdk_event_triggers_context_menu ((GdkEvent *) bevent))
+ {
+ GimpColorButton *color_button;
+ GimpColorPanel *color_panel;
+ GtkUIManager *ui_manager;
+ GimpActionGroup *group;
+ GimpAction *action;
+ GimpRGB color;
+
+ color_button = GIMP_COLOR_BUTTON (widget);
+ color_panel = GIMP_COLOR_PANEL (widget);
+ ui_manager = gimp_color_button_get_ui_manager (color_button);
+
+ group = gtk_ui_manager_get_action_groups (ui_manager)->data;
+
+ action = gimp_action_group_get_action (group,
+ "color-button-use-foreground");
+ gimp_action_set_visible (action, color_panel->context != NULL);
+
+ action = gimp_action_group_get_action (group,
+ "color-button-use-background");
+ gimp_action_set_visible (action, color_panel->context != NULL);
+
+ if (color_panel->context)
+ {
+ action = gimp_action_group_get_action (group,
+ "color-button-use-foreground");
+ gimp_context_get_foreground (color_panel->context, &color);
+ g_object_set (action, "color", &color, NULL);
+
+ action = gimp_action_group_get_action (group,
+ "color-button-use-background");
+ gimp_context_get_background (color_panel->context, &color);
+ g_object_set (action, "color", &color, NULL);
+ }
+
+ action = gimp_action_group_get_action (group, "color-button-use-black");
+ gimp_rgba_set (&color, 0.0, 0.0, 0.0, GIMP_OPACITY_OPAQUE);
+ g_object_set (action, "color", &color, NULL);
+
+ action = gimp_action_group_get_action (group, "color-button-use-white");
+ gimp_rgba_set (&color, 1.0, 1.0, 1.0, GIMP_OPACITY_OPAQUE);
+ g_object_set (action, "color", &color, NULL);
+ }
+
+ if (GTK_WIDGET_CLASS (parent_class)->button_press_event)
+ return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, bevent);
+
+ return FALSE;
+}
+
+static void
+gimp_color_panel_clicked (GtkButton *button)
+{
+ GimpColorPanel *panel = GIMP_COLOR_PANEL (button);
+ GimpRGB color;
+
+ gimp_color_button_get_color (GIMP_COLOR_BUTTON (button), &color);
+
+ if (! panel->color_dialog)
+ {
+ GimpColorButton *color_button = GIMP_COLOR_BUTTON (button);
+
+ panel->color_dialog =
+ gimp_color_dialog_new (NULL, panel->context,
+ gimp_color_button_get_title (color_button),
+ NULL, NULL,
+ GTK_WIDGET (button),
+ NULL, NULL,
+ &color,
+ gimp_color_button_get_update (color_button),
+ gimp_color_button_has_alpha (color_button));
+
+ g_signal_connect (panel->color_dialog, "destroy",
+ G_CALLBACK (gtk_widget_destroyed),
+ &panel->color_dialog);
+
+ g_signal_connect (panel->color_dialog, "update",
+ G_CALLBACK (gimp_color_panel_dialog_update),
+ panel);
+ }
+ else
+ {
+ gimp_color_dialog_set_color (GIMP_COLOR_DIALOG (panel->color_dialog),
+ &color);
+ }
+
+ gtk_window_present (GTK_WINDOW (panel->color_dialog));
+}
+
+static GType
+gimp_color_panel_get_action_type (GimpColorButton *button)
+{
+ return GIMP_TYPE_ACTION_IMPL;
+}
+
+
+/* public functions */
+
+GtkWidget *
+gimp_color_panel_new (const gchar *title,
+ const GimpRGB *color,
+ GimpColorAreaType type,
+ gint width,
+ gint height)
+{
+ g_return_val_if_fail (title != NULL, NULL);
+ g_return_val_if_fail (color != NULL, NULL);
+ g_return_val_if_fail (width > 0, NULL);
+ g_return_val_if_fail (height > 0, NULL);
+
+ return g_object_new (GIMP_TYPE_COLOR_PANEL,
+ "title", title,
+ "type", type,
+ "color", color,
+ "area-width", width,
+ "area-height", height,
+ NULL);
+}
+
+static void
+gimp_color_panel_color_changed (GimpColorButton *button)
+{
+ GimpColorPanel *panel = GIMP_COLOR_PANEL (button);
+ GimpRGB color;
+
+ if (panel->color_dialog)
+ {
+ GimpRGB dialog_color;
+
+ gimp_color_button_get_color (GIMP_COLOR_BUTTON (button), &color);
+ gimp_color_dialog_get_color (GIMP_COLOR_DIALOG (panel->color_dialog),
+ &dialog_color);
+
+ if (gimp_rgba_distance (&color, &dialog_color) > RGBA_EPSILON ||
+ color.a != dialog_color.a)
+ {
+ gimp_color_dialog_set_color (GIMP_COLOR_DIALOG (panel->color_dialog),
+ &color);
+ }
+ }
+}
+
+void
+gimp_color_panel_set_context (GimpColorPanel *panel,
+ GimpContext *context)
+{
+ g_return_if_fail (GIMP_IS_COLOR_PANEL (panel));
+ g_return_if_fail (context == NULL || GIMP_IS_CONTEXT (context));
+
+ panel->context = context;
+
+ if (context)
+ gimp_color_button_set_color_config (GIMP_COLOR_BUTTON (panel),
+ context->gimp->config->color_management);
+}
+
+void
+gimp_color_panel_dialog_response (GimpColorPanel *panel,
+ GimpColorDialogState state)
+{
+ g_return_if_fail (GIMP_IS_COLOR_PANEL (panel));
+ g_return_if_fail (state == GIMP_COLOR_DIALOG_OK ||
+ state == GIMP_COLOR_DIALOG_CANCEL);
+
+ if (panel->color_dialog && gtk_widget_get_visible (panel->color_dialog))
+ gimp_color_panel_dialog_update (NULL, NULL, state, panel);
+}
+
+
+/* private functions */
+
+static void
+gimp_color_panel_dialog_update (GimpColorDialog *dialog,
+ const GimpRGB *color,
+ GimpColorDialogState state,
+ GimpColorPanel *panel)
+{
+ switch (state)
+ {
+ case GIMP_COLOR_DIALOG_UPDATE:
+ if (gimp_color_button_get_update (GIMP_COLOR_BUTTON (panel)))
+ gimp_color_button_set_color (GIMP_COLOR_BUTTON (panel), color);
+ break;
+
+ case GIMP_COLOR_DIALOG_OK:
+ if (! gimp_color_button_get_update (GIMP_COLOR_BUTTON (panel)))
+ gimp_color_button_set_color (GIMP_COLOR_BUTTON (panel), color);
+ gtk_widget_hide (panel->color_dialog);
+
+ g_signal_emit (panel, color_panel_signals[RESPONSE], 0,
+ state);
+ break;
+
+ case GIMP_COLOR_DIALOG_CANCEL:
+ if (gimp_color_button_get_update (GIMP_COLOR_BUTTON (panel)))
+ gimp_color_button_set_color (GIMP_COLOR_BUTTON (panel), color);
+ gtk_widget_hide (panel->color_dialog);
+
+ g_signal_emit (panel, color_panel_signals[RESPONSE], 0,
+ state);
+ break;
+ }
+}
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