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comparison gtk-2.0/adwaita_engine.c @ 0:a48477723cfe

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Base Adwaita theme for GTK 3.16 https://github.com/GNOME/gnome-themes-standard/tree/gnome-3-14/themes/Adwaita @ 7c9d684 with gtk-3.0 directory replaced with https://github.com/GNOME/gtk/tree/gtk-3-16/gtk/theme/Adwaita @ ff9ee56
author IBBoard <dev@ibboard.co.uk>
date Sat, 09 Apr 2016 20:21:23 +0100
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1 /* Adwaita - a GTK+ engine
2 *
3 * Copyright (C) 2012 Red Hat, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library 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 GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 * Authors: Cosimo Cecchi <cosimoc@gnome.org>
20 */
21
22 #include <gmodule.h>
23 #include <glib.h>
24 #include <gtk/gtk.h>
25
26 #ifdef GDK_WINDOWING_X11
27 #include <gdk/gdkx.h>
28 #endif
29
30 /***************************************/
31 /* Register & Initialize Drawing Style */
32 /***************************************/
33 #define ADWAITA_TYPE_STYLE (adwaita_style_get_type ())
34 #define ADWAITA_STYLE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), ADWAITA_TYPE_STYLE, AdwaitaStyle))
35 #define ADWAITA_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ADWAITA_TYPE_STYLE, AdwaitaStyleClass))
36 #define ADWAITA_IS_STYLE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), ADWAITA_TYPE_STYLE))
37 #define ADWAITA_IS_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ADWAITA_TYPE_STYLE))
38 #define ADWAITA_STYLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ADWAITA_TYPE_STYLE, AdwaitaStyleClass))
39
40 typedef struct
41 {
42 GtkStyle parent_instance;
43 } AdwaitaStyle;
44
45 typedef struct
46 {
47 GtkStyleClass parent_class;
48 } AdwaitaStyleClass;
49
50 G_DEFINE_DYNAMIC_TYPE (AdwaitaStyle, adwaita_style, GTK_TYPE_STYLE)
51
52 static void
53 do_toplevel_hack (GtkWidget *widget,
54 const gchar *widget_name)
55 {
56 gboolean tried_hack;
57
58 tried_hack = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "adwaita-toplevel-hack"));
59
60 if (!tried_hack)
61 {
62 g_object_set_data (G_OBJECT (widget),
63 "adwaita-toplevel-hack", GINT_TO_POINTER (1));
64 gtk_widget_set_name (widget, widget_name);
65 }
66 }
67
68 static gboolean
69 wm_is_fallback (void)
70 {
71 #ifdef GDK_WINDOWING_X11
72 const gchar *name;
73 name = gdk_x11_screen_get_window_manager_name (gdk_screen_get_default ());
74 return g_strcmp0 (name, "GNOME Shell") != 0;
75 #else
76 return TRUE;
77 #endif
78 }
79
80 static cairo_t *
81 drawable_to_cairo (GdkDrawable *window,
82 GdkRectangle *area)
83 {
84 cairo_t *cr;
85
86 g_return_val_if_fail (window != NULL, NULL);
87
88 cr = (cairo_t*) gdk_cairo_create (window);
89 cairo_set_line_width (cr, 1.0);
90 cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
91 cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER);
92
93 if (area)
94 {
95 cairo_rectangle (cr, area->x, area->y, area->width, area->height);
96 cairo_clip_preserve (cr);
97 cairo_new_path (cr);
98 }
99
100 return cr;
101 }
102
103 static void
104 adwaita_draw_box (GtkStyle * style,
105 GdkWindow * window,
106 GtkStateType state_type,
107 GtkShadowType shadow_type,
108 GdkRectangle * area,
109 GtkWidget * widget,
110 const gchar * detail,
111 gint x,
112 gint y,
113 gint width,
114 gint height)
115 {
116 if (GTK_IS_MENU (widget) &&
117 g_strcmp0 (detail, "menu") == 0 &&
118 wm_is_fallback ())
119 {
120 cairo_t *cr = drawable_to_cairo (window, area);
121 cairo_pattern_t *pattern = cairo_pattern_create_linear (x, y, x, y + height);
122 gdouble stop_1, stop_2, stop_3;
123
124 stop_1 = MIN (1.0, 6.0 / (gdouble) height);
125 stop_2 = MAX (stop_1, 0.33);
126 stop_3 = MAX (stop_2, 0.66);
127
128 cairo_pattern_add_color_stop_rgba (pattern, 0.0, 0.66, 0.66, 0.66, 0.0);
129 cairo_pattern_add_color_stop_rgba (pattern, stop_1, 0.66, 0.66, 0.66, 0.25);
130 cairo_pattern_add_color_stop_rgba (pattern, stop_2, 0.66, 0.66, 0.66, 0.80);
131 cairo_pattern_add_color_stop_rgba (pattern, stop_3, 0.66, 0.66, 0.66, 1.0);
132 cairo_pattern_add_color_stop_rgba (pattern, 1.0, 0.66, 0.66, 0.66, 1.0);
133 cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
134
135 cairo_set_source (cr, pattern);
136 cairo_rectangle (cr, x, y, width, height);
137 cairo_stroke (cr);
138
139 cairo_destroy (cr);
140 cairo_pattern_destroy (pattern);
141 }
142 else
143 {
144 GTK_STYLE_CLASS (adwaita_style_parent_class)->draw_box (style, window, state_type, shadow_type,
145 area, widget, detail,
146 x, y, width, height);
147 }
148 }
149
150 void
151 adwaita_draw_flat_box (GtkStyle *style,
152 GdkWindow *window,
153 GtkStateType state_type,
154 GtkShadowType shadow_type,
155 GdkRectangle *area,
156 GtkWidget *widget,
157 const gchar *detail,
158 gint x,
159 gint y,
160 gint width,
161 gint height)
162 {
163 const gchar *app_name;
164
165 GTK_STYLE_CLASS (adwaita_style_parent_class)->draw_flat_box (style, window, state_type, shadow_type,
166 area, widget, detail,
167 x, y, width, height);
168
169 /* HACK: this is totally awful, but I don't see a better way to "tag" the OO.o hierarchy */
170 if (!GTK_IS_WINDOW (widget) ||
171 (gtk_window_get_window_type (GTK_WINDOW (widget)) != GTK_WINDOW_TOPLEVEL))
172 return;
173
174 app_name = g_get_application_name ();
175 if (g_str_has_prefix (app_name, "OpenOffice.org"))
176 do_toplevel_hack (widget, "openoffice-toplevel");
177 else if (g_str_has_prefix (app_name, "LibreOffice"))
178 do_toplevel_hack (widget, "libreoffice-toplevel");
179 }
180
181 static void
182 adwaita_style_init (AdwaitaStyle *style)
183 {
184 }
185
186 static void
187 adwaita_style_class_init (AdwaitaStyleClass * klass)
188 {
189 GtkStyleClass *style_class = GTK_STYLE_CLASS (klass);
190
191 style_class->draw_box = adwaita_draw_box;
192 style_class->draw_flat_box = adwaita_draw_flat_box;
193 }
194
195 static void
196 adwaita_style_class_finalize (AdwaitaStyleClass * klass)
197 {
198 }
199
200 /**********************************/
201 /* Register & Initialize RC Style */
202 /**********************************/
203 #define ADWAITA_TYPE_RC_STYLE (adwaita_rc_style_get_type ())
204 #define ADWAITA_RC_STYLE(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), ADWAITA_TYPE_RC_STYLE, AdwaitaRcStyle))
205 #define ADWAITA_RC_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ADWAITA_TYPE_RC_STYLE, AdwaitaRcStyleClass))
206 #define ADWAITA_IS_RC_STYLE(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), ADWAITA_TYPE_RC_STYLE))
207 #define ADWAITA_IS_RC_STYLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ADWAITA_TYPE_RC_STYLE))
208 #define ADWAITA_RC_STYLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ADWAITA_TYPE_RC_STYLE, AdwaitaRcStyleClass))
209
210 typedef struct
211 {
212 GtkRcStyle parent_instance;
213 } AdwaitaRcStyle;
214
215 typedef struct
216 {
217 GtkRcStyleClass parent_class;
218 } AdwaitaRcStyleClass;
219
220 G_DEFINE_DYNAMIC_TYPE (AdwaitaRcStyle, adwaita_rc_style, GTK_TYPE_RC_STYLE)
221
222 static GtkStyle *
223 adwaita_rc_style_create_style (GtkRcStyle *rc_style)
224 {
225 return g_object_new (ADWAITA_TYPE_STYLE, NULL);
226 }
227
228 static void
229 adwaita_rc_style_init (AdwaitaRcStyle *rc_style)
230 {
231 }
232
233 static void
234 adwaita_rc_style_class_init (AdwaitaRcStyleClass * klass)
235 {
236 GtkRcStyleClass *rc_class = GTK_RC_STYLE_CLASS (klass);
237
238 rc_class->create_style = adwaita_rc_style_create_style;
239 }
240
241 static void
242 adwaita_rc_style_class_finalize (AdwaitaRcStyleClass * klass)
243 {
244 }
245
246 /****************
247 * Engine Hooks *
248 ****************/
249 void
250 theme_init (GTypeModule * module)
251 {
252 adwaita_rc_style_register_type (module);
253 adwaita_style_register_type (module);
254 }
255
256 void
257 theme_exit (void)
258 {
259 }
260
261 GtkRcStyle *
262 theme_create_rc_style (void)
263 {
264 return g_object_new (ADWAITA_TYPE_RC_STYLE, NULL);
265 }