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1 | /* gtkcellrendererprogress.c | |
2 | * Taken from Gaim 0.77. | |
3 | * | |
4 | * Gaim is the legal property of its developers, whose names are too numerous | |
5 | * to list here. Please refer to the COPYRIGHT file distributed with this | |
6 | * source distribution. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | /* This is taken largely from GtkCellRenderer[Text|Pixbuf|Toggle] by | |
25 | * Jonathon Blandford <jrb@redhat.com> for RedHat, Inc. | |
26 | */ | |
27 | ||
28 | #include "gtkcellrendererprogress.h" | |
29 | ||
30 | static void gtk_cell_renderer_progress_get_property (GObject *object, | |
31 | guint param_id, | |
32 | GValue *value, | |
33 | GParamSpec *pspec); | |
34 | static void gtk_cell_renderer_progress_set_property (GObject *object, | |
35 | guint param_id, | |
36 | const GValue *value, | |
37 | GParamSpec *pspec); | |
38 | static void gtk_cell_renderer_progress_init (GtkCellRendererProgress *cellprogress); | |
39 | static void gtk_cell_renderer_progress_class_init (GtkCellRendererProgressClass *class); | |
40 | static void gtk_cell_renderer_progress_get_size (GtkCellRenderer *cell, | |
41 | GtkWidget *widget, | |
42 | GdkRectangle *cell_area, | |
43 | gint *x_offset, | |
44 | gint *y_offset, | |
45 | gint *width, | |
46 | gint *height); | |
47 | static void gtk_cell_renderer_progress_render (GtkCellRenderer *cell, | |
48 | GdkWindow *window, | |
49 | GtkWidget *widget, | |
50 | GdkRectangle *background_area, | |
51 | GdkRectangle *cell_area, | |
52 | GdkRectangle *expose_area, | |
53 | guint flags); | |
54 | #if 0 | |
55 | static gboolean gtk_cell_renderer_progress_activate (GtkCellRenderer *cell, | |
56 | GdkEvent *event, | |
57 | GtkWidget *widget, | |
58 | const gchar *path, | |
59 | GdkRectangle *background_area, | |
60 | GdkRectangle *cell_area, | |
61 | guint flags); | |
62 | #endif | |
63 | static void gtk_cell_renderer_progress_finalize (GObject *gobject); | |
64 | ||
65 | enum { | |
66 | LAST_SIGNAL | |
67 | }; | |
68 | ||
69 | enum { | |
70 | PROP_0, | |
71 | ||
72 | PROP_PERCENTAGE, | |
73 | PROP_TEXT, | |
74 | PROP_SHOW_TEXT | |
75 | }; | |
76 | ||
77 | static gpointer parent_class; | |
78 | /* static guint progress_cell_renderer_signals [LAST_SIGNAL]; */ | |
79 | ||
80 | GType gtk_cell_renderer_progress_get_type (void) | |
81 | { | |
82 | static GType cell_progress_type = 0; | |
83 | ||
84 | if (!cell_progress_type) | |
85 | { | |
86 | static const GTypeInfo cell_progress_info = | |
87 | { | |
88 | sizeof (GtkCellRendererProgressClass), | |
89 | NULL, /* base_init */ | |
90 | NULL, /* base_finalize */ | |
91 | (GClassInitFunc) gtk_cell_renderer_progress_class_init, | |
92 | NULL, /* class_finalize */ | |
93 | NULL, /* class_data */ | |
94 | sizeof (GtkCellRendererProgress), | |
95 | 0, /* n_preallocs */ | |
96 | (GInstanceInitFunc) gtk_cell_renderer_progress_init, | |
97 | }; | |
98 | ||
99 | cell_progress_type = | |
100 | g_type_register_static (GTK_TYPE_CELL_RENDERER, "GtkCellRendererProgress", | |
101 | &cell_progress_info, 0); | |
102 | } | |
103 | ||
104 | return cell_progress_type; | |
105 | } | |
106 | ||
107 | ||
108 | static void gtk_cell_renderer_progress_init (GtkCellRendererProgress *cellprogress) | |
109 | { | |
110 | GTK_CELL_RENDERER(cellprogress)->mode = GTK_CELL_RENDERER_MODE_INERT; | |
111 | GTK_CELL_RENDERER(cellprogress)->xpad = 2; | |
112 | GTK_CELL_RENDERER(cellprogress)->ypad = 2; | |
113 | } | |
114 | ||
115 | static void gtk_cell_renderer_progress_class_init (GtkCellRendererProgressClass *class) | |
116 | { | |
117 | GObjectClass *object_class = G_OBJECT_CLASS(class); | |
118 | GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS(class); | |
119 | ||
120 | parent_class = g_type_class_peek_parent (class); | |
121 | object_class->finalize = gtk_cell_renderer_progress_finalize; | |
122 | ||
123 | object_class->get_property = gtk_cell_renderer_progress_get_property; | |
124 | object_class->set_property = gtk_cell_renderer_progress_set_property; | |
125 | ||
126 | cell_class->get_size = gtk_cell_renderer_progress_get_size; | |
127 | cell_class->render = gtk_cell_renderer_progress_render; | |
128 | ||
129 | g_object_class_install_property (object_class, | |
130 | PROP_PERCENTAGE, | |
131 | g_param_spec_double ("percentage", | |
132 | "Percentage", | |
133 | "The fractional progress to display", | |
134 | 0, 1, 0, | |
135 | G_PARAM_READWRITE)); | |
136 | ||
137 | g_object_class_install_property (object_class, | |
138 | PROP_TEXT, | |
139 | g_param_spec_string ("text", | |
140 | "Text", | |
141 | "Text to overlay over progress bar", | |
142 | NULL, | |
143 | G_PARAM_READWRITE)); | |
144 | g_object_class_install_property(object_class, | |
145 | PROP_SHOW_TEXT, | |
146 | g_param_spec_string("text_set", | |
147 | "Text set", | |
148 | "Whether to overlay text on the progress bar", | |
149 | FALSE, | |
150 | G_PARAM_READABLE | G_PARAM_WRITABLE)); | |
151 | } | |
152 | ||
153 | ||
154 | ||
155 | static void gtk_cell_renderer_progress_finalize (GObject *object) | |
156 | { | |
157 | /* | |
158 | GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS(object); | |
159 | */ | |
160 | ||
161 | (* G_OBJECT_CLASS (parent_class)->finalize) (object); | |
162 | } | |
163 | ||
164 | static void gtk_cell_renderer_progress_get_property (GObject *object, | |
165 | guint param_id, | |
166 | GValue *value, | |
167 | GParamSpec *psec) | |
168 | { | |
169 | GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS(object); | |
170 | ||
171 | switch (param_id) | |
172 | { | |
173 | case PROP_PERCENTAGE: | |
174 | g_value_set_double(value, cellprogress->progress); | |
175 | break; | |
176 | case PROP_TEXT: | |
177 | g_value_set_string(value, cellprogress->text); | |
178 | break; | |
179 | case PROP_SHOW_TEXT: | |
180 | g_value_set_boolean(value, cellprogress->text_set); | |
181 | break; | |
182 | default: | |
183 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, psec); | |
184 | break; | |
185 | } | |
186 | } | |
187 | ||
188 | static void gtk_cell_renderer_progress_set_property (GObject *object, | |
189 | guint param_id, | |
190 | const GValue *value, | |
191 | GParamSpec *pspec) | |
192 | { | |
193 | GtkCellRendererProgress *cellprogress = GTK_CELL_RENDERER_PROGRESS (object); | |
194 | ||
195 | switch (param_id) | |
196 | { | |
197 | case PROP_PERCENTAGE: | |
198 | cellprogress->progress = g_value_get_double(value); | |
199 | break; | |
200 | case PROP_TEXT: | |
201 | if (cellprogress->text) | |
202 | g_free(cellprogress->text); | |
203 | cellprogress->text = g_strdup(g_value_get_string(value)); | |
204 | g_object_notify(object, "text"); | |
205 | break; | |
206 | case PROP_SHOW_TEXT: | |
207 | cellprogress->text_set = g_value_get_boolean(value); | |
208 | break; | |
209 | default: | |
210 | G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec); | |
211 | break; | |
212 | } | |
213 | } | |
214 | ||
215 | GtkCellRenderer *gtk_cell_renderer_progress_new(void) | |
216 | { | |
217 | return g_object_new(GTK_TYPE_CELL_RENDERER_PROGRESS, NULL); | |
218 | } | |
219 | ||
220 | static void gtk_cell_renderer_progress_get_size (GtkCellRenderer *cell, | |
221 | GtkWidget *widget, | |
222 | GdkRectangle *cell_area, | |
223 | gint *x_offset, | |
224 | gint *y_offset, | |
225 | gint *width, | |
226 | gint *height) | |
227 | { | |
228 | gint calc_width; | |
229 | gint calc_height; | |
230 | ||
231 | calc_width = (gint) cell->xpad * 2 + 50; | |
232 | calc_height = (gint) cell->ypad * 2 + 12; | |
233 | ||
234 | if (width) | |
235 | *width = calc_width; | |
236 | ||
237 | if (height) | |
238 | *height = calc_height; | |
239 | ||
240 | if (cell_area) | |
241 | { | |
242 | if (x_offset) | |
243 | { | |
244 | *x_offset = cell->xalign * (cell_area->width - calc_width); | |
245 | *x_offset = MAX (*x_offset, 0); | |
246 | } | |
247 | if (y_offset) | |
248 | { | |
249 | *y_offset = cell->yalign * (cell_area->height - calc_height); | |
250 | *y_offset = MAX (*y_offset, 0); | |
251 | } | |
252 | } | |
253 | } | |
254 | ||
255 | ||
256 | static void gtk_cell_renderer_progress_render (GtkCellRenderer *cell, | |
257 | GdkWindow *window, | |
258 | GtkWidget *widget, | |
259 | GdkRectangle *background_area, | |
260 | GdkRectangle *cell_area, | |
261 | GdkRectangle *expose_area, | |
262 | guint flags) | |
263 | { | |
264 | GtkCellRendererProgress *cellprogress = (GtkCellRendererProgress *) cell; | |
265 | ||
266 | gint width, height; | |
267 | GtkStateType state; | |
268 | ||
269 | width = cell_area->width; | |
270 | height = cell_area->height; | |
271 | ||
272 | if (GTK_WIDGET_HAS_FOCUS (widget)) | |
273 | state = GTK_STATE_ACTIVE; | |
274 | else | |
275 | state = GTK_STATE_NORMAL; | |
276 | ||
277 | ||
278 | ||
279 | width -= cell->xpad*2; | |
280 | height -= cell->ypad*2; | |
281 | ||
282 | gtk_paint_box (widget->style, | |
283 | window, | |
284 | GTK_STATE_NORMAL, GTK_SHADOW_IN, | |
285 | NULL, widget, "trough", | |
286 | cell_area->x + cell->xpad, | |
287 | cell_area->y + cell->ypad, | |
288 | width - 1, height - 1); | |
289 | gtk_paint_box (widget->style, | |
290 | window, | |
291 | state, GTK_SHADOW_OUT, | |
292 | NULL, widget, "bar", | |
293 | cell_area->x + cell->xpad + 1, | |
294 | cell_area->y + cell->ypad + 1, | |
295 | (width - 3) * cellprogress->progress, | |
296 | height - 3); | |
297 | } |