2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 2001-2003 Hiroyuki Yamamoto & The Sylpheed Claws Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 /* (alfons) - based on a contribution by Satoshi Nagayasu; revised for colorful
21 * menu and more Sylpheed integration. The idea to put the code in a separate
22 * file is just that it make it easier to allow "user changeable" label colors.
30 #include <gtk/gtkwidget.h>
31 #include <gtk/gtkpixmap.h>
32 #include <gtk/gtkmenu.h>
33 #include <gtk/gtkcheckmenuitem.h>
34 #include <gtk/gtklabel.h>
35 #include <gtk/gtkmenuitem.h>
36 #include <gtk/gtkalignment.h>
37 #include <gtk/gtkhbox.h>
38 #include <gtk/gtkwindow.h>
39 #include <gtk/gtkdrawingarea.h>
42 #include "colorlabel.h"
45 static gchar *labels[] = {
55 typedef enum LabelColorChangeFlags_ {
58 LCCF_ALL = LCCF_COLOR | LCCF_LABEL
59 } LabelColorChangeFlags;
61 /* XXX: if you add colors, make sure you also check the procmsg.h.
62 * color indices are stored as 3 bits; that explains the max. of 7 colors */
65 LabelColorChangeFlags changed;
68 /* XXX: note that the label member is supposed to be dynamically
69 * allocated and fffreed */
73 { LCCF_ALL, { 0, 0xffff, (0x99 << 8), 0x0 }, NULL, NULL },
74 { LCCF_ALL, { 0, 0xffff, 0, 0 }, NULL, NULL },
75 { LCCF_ALL, { 0, 0xffff, (0x66 << 8), 0xffff }, NULL, NULL },
76 { LCCF_ALL, { 0, 0x0, (0xcc << 8), 0xffff }, NULL, NULL },
77 { LCCF_ALL, { 0, 0x0, 0x0, 0xffff }, NULL, NULL },
78 { LCCF_ALL, { 0, 0x0, 0x99 << 8, 0x0 }, NULL, NULL },
79 { LCCF_ALL, { 0, 0x66 << 8, 0x33 << 8, 0x33 << 8 }, NULL, NULL }
82 #define LABEL_COLORS_ELEMS (sizeof label_colors / sizeof label_colors[0])
84 #define G_RETURN_VAL_IF_INVALID_COLOR(color, val) \
85 g_return_val_if_fail((color) >= 0 && (color) < LABEL_COLORS_ELEMS, (val))
87 static void colorlabel_recreate (gint);
88 static void colorlabel_recreate_label (gint);
90 gint colorlabel_get_color_count(void)
92 return LABEL_COLORS_ELEMS;
95 GdkColor colorlabel_get_color(gint color_index)
97 GdkColor invalid = { 0 };
99 G_RETURN_VAL_IF_INVALID_COLOR(color_index, invalid);
101 return label_colors[color_index].color;
104 gchar *colorlabel_get_color_text(gint color_index)
106 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
108 colorlabel_recreate_label(color_index);
109 return label_colors[color_index].label;
112 static gboolean colorlabel_drawing_area_expose_event_cb
113 (GtkWidget *widget, GdkEventExpose *expose, gpointer data)
115 GdkDrawable *drawable = widget->window;
116 gulong c = (gulong) GPOINTER_TO_INT(data);
120 color.red = ((c >> 16UL) & 0xFFUL) << 8UL;
121 color.green = ((c >> 8UL) & 0xFFUL) << 8UL;
122 color.blue = ((c) & 0xFFUL) << 8UL;
124 gdk_colormap_alloc_color(gtk_widget_get_colormap(widget), &color, FALSE, TRUE);
126 gc = gdk_gc_new(drawable);
128 gdk_gc_set_foreground(gc, &color);
129 gdk_draw_rectangle(drawable, gc,
130 TRUE, 0, 0, widget->allocation.width,
131 widget->allocation.height);
132 gdk_draw_rectangle(drawable, widget->style->black_gc,
133 FALSE, 0, 0, widget->allocation.width,
134 widget->allocation.height);
141 static GtkWidget *colorlabel_create_color_widget(GdkColor color)
145 widget = gtk_drawing_area_new();
146 gtk_drawing_area_size(GTK_DRAWING_AREA(widget), 16, 16);
148 #define CL(x) (((gulong) (x) >> (gulong) 8) & 0xFFUL)
149 #define CR(r, g, b) ((CL(r) << (gulong) 16) | \
150 (CL(g) << (gulong) 8) | \
153 gtk_signal_connect(GTK_OBJECT(widget), "expose_event",
155 (colorlabel_drawing_area_expose_event_cb),
157 ((gint)CR(color.red, color.green, color.blue)));
162 /* XXX: this function to check if menus with colors and labels should
164 gboolean colorlabel_changed(void)
168 for (n = 0; n < LABEL_COLORS_ELEMS; n++) {
169 if (label_colors[n].changed)
176 /* XXX: colorlabel_recreate_XXX are there to make sure everything
177 * is initialized ok, without having to call a global _xxx_init_
179 static void colorlabel_recreate_color(gint color)
183 if (!(label_colors[color].changed & LCCF_COLOR))
186 widget = colorlabel_create_color_widget(label_colors[color].color);
187 g_return_if_fail(widget);
189 if (label_colors[color].widget)
190 gtk_widget_destroy(label_colors[color].widget);
192 label_colors[color].widget = widget;
193 label_colors[color].changed &= ~LCCF_COLOR;
196 static void colorlabel_recreate_label(gint color)
198 if (!label_colors[color].changed & LCCF_LABEL)
201 if (label_colors[color].label == NULL)
202 label_colors[color].label = g_strdup(gettext(labels[color]));
204 label_colors[color].changed &= ~LCCF_LABEL;
207 /* XXX: call this function everytime when you're doing important
208 * stuff with the label_colors[] array */
209 static void colorlabel_recreate(gint color)
211 colorlabel_recreate_label(color);
212 colorlabel_recreate_color(color);
215 static void colorlabel_recreate_all(void)
219 for ( n = 0; n < LABEL_COLORS_ELEMS; n++)
220 colorlabel_recreate(n);
223 /* colorlabel_create_check_color_menu_item() - creates a color
224 * menu item with a check box */
225 GtkWidget *colorlabel_create_check_color_menu_item(gint color_index)
232 G_RETURN_VAL_IF_INVALID_COLOR(color_index, NULL);
234 item = gtk_check_menu_item_new();
236 colorlabel_recreate(color_index);
238 /* XXX: gnome-core::panel::menu.c is a great example of
239 * how to create pixmap menus */
240 label = gtk_label_new(label_colors[color_index].label);
242 gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
243 gtk_widget_show(label);
244 hbox = gtk_hbox_new(FALSE, 0);
245 gtk_widget_show(hbox);
246 gtk_container_add(GTK_CONTAINER(item), hbox);
248 align = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
249 gtk_widget_show(align);
250 gtk_container_set_border_width(GTK_CONTAINER(align), 1);
252 gtk_container_add(GTK_CONTAINER(align), label_colors[color_index].widget);
253 gtk_widget_show(label_colors[color_index].widget);
254 gtk_widget_set_usize(align, 16, 16);
256 gtk_box_pack_start(GTK_BOX(hbox), align, FALSE, FALSE, 0);
257 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
262 /* colorlabel_create_color_menu() - creates a color menu without
263 * checkitems, probably for use in combo items */
264 GtkWidget *colorlabel_create_color_menu(void)
273 colorlabel_recreate_all();
275 /* create the menu items. each item has its color code attached */
276 menu = gtk_menu_new();
277 gtk_object_set_data(GTK_OBJECT(menu), "label_color_menu", menu);
279 item = gtk_menu_item_new_with_label(_("None"));
280 gtk_menu_append(GTK_MENU(menu), item);
281 gtk_object_set_data(GTK_OBJECT(item), "color", GUINT_TO_POINTER(0));
282 gtk_widget_show(item);
284 /* and the color items */
285 for (i = 0; i < LABEL_COLORS_ELEMS; i++) {
286 GtkWidget *widget = colorlabel_create_color_widget(label_colors[i].color);
288 item = gtk_menu_item_new();
289 gtk_object_set_data(GTK_OBJECT(item), "color", GUINT_TO_POINTER(i + 1));
291 label = gtk_label_new(label_colors[i].label);
293 gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
294 gtk_widget_show(label);
295 hbox = gtk_hbox_new(FALSE, 0);
296 gtk_widget_show(hbox);
297 gtk_container_add(GTK_CONTAINER(item), hbox);
299 align = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
300 gtk_widget_show(align);
301 gtk_container_set_border_width(GTK_CONTAINER(align), 1);
303 gtk_container_add(GTK_CONTAINER(align), widget);
304 gtk_widget_show(widget);
305 gtk_widget_set_usize(align, 16, 16);
307 gtk_box_pack_start(GTK_BOX(hbox), align, FALSE, FALSE, 0);
308 gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 4);
310 gtk_menu_append(GTK_MENU(menu), item);
311 gtk_widget_show(item);
314 gtk_widget_show(menu);
319 guint colorlabel_get_color_menu_active_item(GtkWidget *menu)
325 (gtk_object_get_data(GTK_OBJECT(menu), "label_color_menu"), 0);
326 menuitem = gtk_menu_get_active(GTK_MENU(menu));
327 color = GPOINTER_TO_UINT
328 (gtk_object_get_data(GTK_OBJECT(menuitem), "color"));