Bug 540169 - Zenity should offer color selection dialog

data/zenity.1

@@ -60,6 +60,8 @@ Display warning dialog
 .TP
 .B \-\-scale
 Display scale dialog
+.B \-\-color-selection
+Display color selection dialog
 
 .PP
 General options
@@ -266,6 +268,16 @@ Print partial values
 .B \-\-hide\-value
 Hide value
 
+.PP
+Color selection options
+
+.TP
+.B \-\-color=VALUE
+Set the initial color
+.TP
+.B \-\-show\-palette
+Show the palette
+
 .PP
 Miscellaneous options
 

src/Makefile.am

@@ -16,6 +16,7 @@ zenity_SOURCES = \
 	scale.c		\
 	text.c		\
 	tree.c		\
+	color.c         \
 	util.c		\
 	util.h		\
 	zenity.h

src/color.c

@@ -0,0 +1,97 @@
+/*
+ * color.c
+ *
+ * Copyright (C) 2010 Berislav Kovacki
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * Authors: Berislav Kovacki <pantokrator@pantokrator.net>
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include "zenity.h"
+#include "util.h"
+
+static ZenityData *zen_data;
+
+static void zenity_colorselection_dialog_response (GtkWidget *widget, int response, gpointer data);
+
+void zenity_colorselection (ZenityData *data, ZenityColorData *color_data)
+{
+  GtkWidget *dialog;
+  GtkWidget *colorsel;
+  GdkColor color;
+
+  zen_data = data;
+
+  dialog = gtk_color_selection_dialog_new (NULL);
+
+  g_signal_connect (G_OBJECT (dialog), "response",
+                    G_CALLBACK (zenity_colorselection_dialog_response),
+                    color_data);
+
+  if (data->dialog_title)
+    gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title);
+
+  colorsel = gtk_color_selection_dialog_get_color_selection (GTK_COLOR_SELECTION_DIALOG (dialog));
+
+  if (color_data->color) {
+    if (gdk_color_parse (color_data->color, &color))
+      gtk_color_selection_set_current_color (GTK_COLOR_SELECTION (colorsel),
+                                             &color);
+  }
+
+  gtk_color_selection_set_has_palette (GTK_COLOR_SELECTION (colorsel),
+                                       color_data->show_palette);
+
+  zenity_util_show_dialog (dialog);
+
+  if (data->timeout_delay > 0) {
+    g_timeout_add (data->timeout_delay * 1000,
+                   (GSourceFunc) zenity_util_timeout_handle,
+                   NULL);
+  }
+
+  gtk_main();
+}
+
+static void
+zenity_colorselection_dialog_response (GtkWidget *widget, int response, gpointer data)
+{
+  GtkWidget *colorsel;
+  GdkColor color;
+
+  switch (response) {
+    case GTK_RESPONSE_OK:
+      zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK);
+      colorsel = gtk_color_selection_dialog_get_color_selection (GTK_COLOR_SELECTION_DIALOG (widget));
+      gtk_color_selection_get_current_color (GTK_COLOR_SELECTION (colorsel), &color);
+      g_print ("%s\n", gdk_color_to_string (&color));
+      break;
+
+    case GTK_RESPONSE_CANCEL:
+      zen_data->exit_code = zenity_util_return_exit_code (ZENITY_CANCEL);
+      break;
+
+    default:
+      zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
+      break;
+  }
+
+  gtk_main_quit ();
+}

src/main.c

@@ -84,6 +84,9 @@ main (gint argc, gchar **argv) {
     case MODE_TEXTINFO:
       zenity_text (results->data, results->text_data);
       break;
+    case MODE_COLOR:
+      zenity_colorselection (results->data, results->color_data);
+      break;
     case MODE_ABOUT:
       zenity_about (results->data);
       break;

src/option.c

@@ -108,6 +108,11 @@ static gint zenity_scale_step;
 static gboolean zenity_scale_print_partial;
 static gboolean zenity_scale_hide_value;
 
+/* Color Selection Dialog Options */
+static gboolean zenity_colorsel_active;
+static gchar   *zenity_colorsel_color;
+static gboolean zenity_colorsel_show_palette;
+
 /* Miscelaneus Options */
 static gboolean zenity_misc_about;
 static gboolean zenity_misc_version;
@@ -818,6 +823,39 @@ static GOptionEntry scale_options[] = {
   }
 };
 
+static GOptionEntry color_selection_options[] = {
+  {
+    "color-selection",
+    '\0',
+    G_OPTION_FLAG_IN_MAIN,
+    G_OPTION_ARG_NONE,
+    &zenity_colorsel_active,
+    N_("Display color selection dialog"),
+    NULL
+  },
+  {
+    "color",
+    '\0',
+    0,
+    G_OPTION_ARG_STRING,
+    &zenity_colorsel_color,
+    N_("Set the color"),
+    N_("VALUE")
+  },
+  {
+    "show-palette",
+    '\0',
+    0,
+    G_OPTION_ARG_NONE,
+    &zenity_colorsel_show_palette,
+    N_("Show the palette"),
+    NULL
+  },
+  {
+    NULL
+  }
+};
+
 static GOptionEntry miscellaneous_options[] = {
   {
     "about",
@@ -862,6 +900,7 @@ zenity_option_init (void) {
   results->text_data = g_new0 (ZenityTextData, 1);
   results->tree_data = g_new0 (ZenityTreeData, 1);
   results->notification_data = g_new0 (ZenityNotificationData, 1);
+  results->color_data = g_new0 (ZenityColorData, 1);
 }
 
 void
@@ -897,6 +936,9 @@ zenity_option_free (void) {
   if (zenity_question_cancel_button)
     g_free (zenity_question_cancel_button);
 
+  if (zenity_colorsel_color)
+    g_free (zenity_colorsel_color);
+
   g_option_context_free (ctx);
 }
 
@@ -1115,6 +1157,19 @@ zenity_scale_pre_callback (GOptionContext *context,
   return TRUE;
 }
 
+static gboolean
+zenity_color_pre_callback (GOptionContext *context,
+	                   GOptionGroup   *group,
+		           gpointer	   data,
+		           GError        **error)
+{
+  zenity_colorsel_active = FALSE;
+  zenity_colorsel_color = NULL;
+  zenity_colorsel_show_palette = FALSE;
+
+  return TRUE;
+}
+
 static gboolean
 zenity_misc_pre_callback (GOptionContext *context,
 		          GOptionGroup   *group,
@@ -1480,6 +1535,30 @@ zenity_scale_post_callback (GOptionContext *context,
   return TRUE;
 }
 
+static gboolean
+zenity_color_post_callback (GOptionContext *context,
+		            GOptionGroup   *group,
+		            gpointer	    data,
+		            GError        **error)
+{
+  zenity_option_set_dialog_mode (zenity_colorsel_active, MODE_COLOR);
+
+  if (results->mode == MODE_COLOR) {
+    results->color_data->color = zenity_colorsel_color;
+    results->color_data->show_palette = zenity_colorsel_show_palette;
+  } else {
+    if (zenity_colorsel_color)
+      zenity_option_error (zenity_option_get_name(color_selection_options, &zenity_colorsel_color),
+                           ERROR_SUPPORT);
+
+    if (zenity_colorsel_show_palette)
+      zenity_option_error (zenity_option_get_name(color_selection_options, &zenity_colorsel_show_palette),
+                           ERROR_SUPPORT);
+  }
+
+  return TRUE;
+}
+
 static gboolean
 zenity_misc_post_callback (GOptionContext *context,
 		           GOptionGroup   *group,
@@ -1643,6 +1722,17 @@ zenity_create_context (void)
   g_option_group_set_translation_domain (a_group, GETTEXT_PACKAGE);
   g_option_context_add_group(tmp_ctx, a_group);
   
+  /* Adds color selection option entries */
+  a_group = g_option_group_new("color-selection",
+                               N_("Color selection options"),
+                               N_("Show color selection options"), NULL, NULL);
+  g_option_group_add_entries(a_group, color_selection_options);
+  g_option_group_set_parse_hooks (a_group,
+                    zenity_color_pre_callback, zenity_color_post_callback);
+  g_option_group_set_error_hook (a_group, zenity_option_error_callback);
+  g_option_group_set_translation_domain (a_group, GETTEXT_PACKAGE);
+  g_option_context_add_group(tmp_ctx, a_group);
+
   /* Adds misc option entries */
   a_group = g_option_group_new("misc", 
                                N_("Miscellaneous options"), 

src/option.h

@@ -45,6 +45,7 @@ typedef enum {
   MODE_SCALE,
   MODE_INFO,
   MODE_NOTIFICATION,
+  MODE_COLOR,
   MODE_ABOUT,
   MODE_VERSION,
   MODE_LAST
@@ -70,6 +71,7 @@ typedef struct {
   ZenityTextData         *text_data;
   ZenityTreeData         *tree_data;
   ZenityNotificationData *notification_data;
+  ZenityColorData        *color_data;
 } ZenityParsingOptions;
 
 void			zenity_option_error (gchar	*string,

src/zenity.h

@@ -126,6 +126,11 @@ typedef struct {
   gboolean listen;
 } ZenityNotificationData;
 
+typedef struct {
+  gchar   *color;
+  gboolean show_palette;
+} ZenityColorData;
+
 void    zenity_calendar         (ZenityData             *data,
                                 ZenityCalendarData      *calendar_data);
 void    zenity_msg              (ZenityData             *data,
@@ -142,6 +147,8 @@ void    zenity_tree             (ZenityData             *data,
                                  ZenityTreeData         *tree_data);
 void	zenity_notification	(ZenityData		*data,
 				 ZenityNotificationData	*notification_data);
+void    zenity_colorselection   (ZenityData             *data,
+                                 ZenityColorData        *notification_data);
 void	zenity_scale		(ZenityData		*data,
 				 ZenityScaleData	*scale_data);
 void    zenity_about            (ZenityData             *data);