1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2011, 2012 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 #include "ui/gui/psppire-cell-renderer-button.h"
24 #include "ui/gui/psppire-button-editable.h"
25 #include "ui/gui/pspp-widget-facade.h"
27 #include "gl/configmake.h"
28 #include "gl/relocatable.h"
31 #define _(msgid) gettext (msgid)
33 static void psppire_cell_renderer_button_destroy (GtkObject *);
34 static void psppire_cell_renderer_button_finalize (GObject *);
36 static void update_style_cache (PsppireCellRendererButton *button,
39 static void psppire_cell_renderer_button_load_gtkrc (void);
42 G_DEFINE_TYPE_EXTENDED (PsppireCellRendererButton,
43 psppire_cell_renderer_button,
44 GTK_TYPE_CELL_RENDERER,
46 psppire_cell_renderer_button_load_gtkrc ());
49 psppire_cell_renderer_button_load_gtkrc (void)
51 const char *gtkrc_file;
53 gtkrc_file = relocate (PKGDATADIR "/psppire.gtkrc");
54 gtk_rc_add_default_file (gtkrc_file);
55 gtk_rc_parse (gtkrc_file);
66 psppire_cell_renderer_button_set_property (GObject *object,
71 PsppireCellRendererButton *obj = PSPPIRE_CELL_RENDERER_BUTTON (object);
76 obj->editable = g_value_get_boolean (value);
78 GTK_CELL_RENDERER (obj)->mode = GTK_CELL_RENDERER_MODE_EDITABLE;
80 GTK_CELL_RENDERER (obj)->mode = GTK_CELL_RENDERER_MODE_INERT;
85 obj->label = g_value_dup_string (value);
89 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
95 psppire_cell_renderer_button_get_property (GObject *object,
100 PsppireCellRendererButton *obj = PSPPIRE_CELL_RENDERER_BUTTON (object);
105 g_value_set_boolean (value, obj->editable);
109 g_value_set_string (value, obj->label);
113 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
119 on_style_set (GtkWidget *base,
120 GtkStyle *previous_style,
121 PsppireCellRendererButton *button)
123 update_style_cache (button, NULL);
127 on_destroy (GtkObject *base,
128 PsppireCellRendererButton *button)
130 update_style_cache (button, NULL);
134 update_style_cache (PsppireCellRendererButton *button,
137 if (button->base == widget)
140 /* Clear old cache. */
141 if (button->button_style)
143 g_object_unref (button->button_style);
144 button->button_style = NULL;
146 if (button->label_style)
148 g_object_unref (button->label_style);
149 button->label_style = NULL;
151 if (button->base != NULL)
153 if (button->style_set_handler)
155 g_signal_handler_disconnect (button->base,
156 button->style_set_handler);
157 button->style_set_handler = 0;
159 if (button->destroy_handler)
161 g_signal_handler_disconnect (button->base, button->destroy_handler);
162 button->destroy_handler = 0;
164 g_object_unref (button->base);
168 /* Populate cache. */
171 button->button_style = facade_get_style (widget, GTK_TYPE_BUTTON, 0);
172 button->label_style = facade_get_style (widget, GTK_TYPE_BUTTON,
174 button->base = widget;
175 button->style_set_handler = g_signal_connect (widget, "style-set",
176 G_CALLBACK (on_style_set),
178 button->destroy_handler = g_signal_connect (widget, "destroy",
179 G_CALLBACK (on_destroy),
182 g_object_ref (widget);
183 g_object_ref (button->button_style);
184 g_object_ref (button->label_style);
189 psppire_cell_renderer_button_render (GtkCellRenderer *cell,
192 GdkRectangle *background_area,
193 GdkRectangle *cell_area,
194 GdkRectangle *expose_area,
195 GtkCellRendererState flags)
197 PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (cell);
198 GtkStateType state_type;
200 if (!button->editable || !cell->sensitive)
201 state_type = GTK_STATE_INSENSITIVE;
202 else if (flags & GTK_CELL_RENDERER_SELECTED)
204 if (gtk_widget_has_focus (widget))
205 state_type = GTK_STATE_SELECTED;
207 state_type = GTK_STATE_ACTIVE;
209 else if (flags & GTK_CELL_RENDERER_PRELIT)
210 state_type = GTK_STATE_PRELIGHT;
213 if (gtk_widget_get_state (widget) == GTK_STATE_INSENSITIVE)
214 state_type = GTK_STATE_INSENSITIVE;
216 state_type = GTK_STATE_NORMAL;
219 update_style_cache (button, widget);
220 facade_button_render (widget, window, expose_area,
221 cell_area, button->border_width, button->button_style,
223 button->label_style, button->label, button->xpad,
224 button->ypad, cell->xalign, cell->yalign);
228 psppire_cell_renderer_button_get_size (GtkCellRenderer *cell,
230 GdkRectangle *cell_area,
236 PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (cell);
238 update_style_cache (button, widget);
239 if (cell_area != NULL)
241 /* The caller is really asking for the placement of the focus rectangle.
242 The focus rectangle should surround the whole label area, so calculate
246 facade_button_get_focus_inset (button->border_width, widget,
247 button->button_style, &inset);
250 *x_offset = inset.left;
252 *y_offset = inset.top;
254 *width = MAX (1, cell_area->width - inset.left - inset.right);
256 *height = MAX (1, cell_area->height - inset.top - inset.bottom);
260 /* The caller is asking for the preferred size of the cell. */
261 GtkRequisition label_req;
262 GtkRequisition request;
264 facade_label_get_size_request (button->xpad, button->ypad,
265 widget, button->label, &label_req);
266 facade_button_get_size_request (button->border_width, widget,
267 button->button_style, &label_req,
275 *width = request.width;
277 *height = request.height;
282 psppire_cell_renderer_button_clicked (GtkButton *button,
285 PsppireCellRendererButton *cell_button = data;
288 g_object_get (button, "path", &path, NULL);
289 g_signal_emit_by_name (cell_button, "clicked", path);
294 psppire_cell_renderer_button_focus_out_event (GtkWidget *widget,
298 PsppireCellRendererButton *cell_button = data;
300 g_signal_handlers_disconnect_by_func (widget,
301 psppire_cell_renderer_button_focus_out_event,
303 g_signal_handlers_disconnect_by_func (widget,
304 psppire_cell_renderer_button_clicked,
307 gtk_cell_renderer_stop_editing (GTK_CELL_RENDERER (cell_button), FALSE);
312 #define IDLE_ID_STRING "psppire-cell-renderer-button-idle-id"
315 psppire_cell_renderer_button_initial_click (gpointer data)
317 GtkButton *button = data;
319 gtk_button_clicked (button);
320 g_object_steal_data (G_OBJECT (button), IDLE_ID_STRING);
325 psppire_cell_renderer_button_on_destroy (GObject *object, gpointer user_data)
329 idle_id = GPOINTER_TO_INT (g_object_steal_data (object, IDLE_ID_STRING));
331 g_source_remove (idle_id);
335 psppire_cell_renderer_button_double_click (GtkButton *button,
336 PsppireCellRendererButton *cell_button)
340 if (g_object_get_data (G_OBJECT (button), IDLE_ID_STRING))
341 psppire_cell_renderer_button_initial_click (button);
343 g_object_get (button, "path", &path, NULL);
344 g_signal_emit_by_name (cell_button, "double-clicked", path);
349 psppire_cell_renderer_button_press_event (GtkButton *button,
350 GdkEventButton *event,
353 PsppireCellRendererButton *cell_button = data;
355 if (cell_button->click_time != 0)
357 GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (button));
358 GtkSettings *settings = gtk_settings_get_for_screen (screen);
359 gint double_click_distance;
360 gint double_click_time;
362 g_object_get (settings,
363 "gtk-double-click-time", &double_click_time,
364 "gtk-double-click-distance", &double_click_distance,
367 if (event->type == GDK_BUTTON_PRESS
368 && event->button == 1
369 && event->time <= cell_button->click_time + double_click_time
370 && ABS (event->x_root - cell_button->click_x) <= double_click_distance
371 && ABS (event->y_root - cell_button->click_y) <= double_click_distance)
373 psppire_cell_renderer_button_double_click (button, cell_button);
377 cell_button->click_time = 0;
380 if (event->type == GDK_2BUTTON_PRESS)
382 psppire_cell_renderer_button_double_click (button, cell_button);
389 static GtkCellEditable *
390 psppire_cell_renderer_button_start_editing (GtkCellRenderer *cell,
394 GdkRectangle *background_area,
395 GdkRectangle *cell_area,
396 GtkCellRendererState flags)
398 PsppireCellRendererButton *cell_button = PSPPIRE_CELL_RENDERER_BUTTON (cell);
399 gfloat xalign, yalign;
401 gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
402 cell_button->button = g_object_new (PSPPIRE_TYPE_BUTTON_EDITABLE,
403 "label", cell_button->label,
409 g_signal_connect (G_OBJECT (cell_button->button), "focus-out-event",
410 G_CALLBACK (psppire_cell_renderer_button_focus_out_event),
412 g_signal_connect (G_OBJECT (cell_button->button), "clicked",
413 G_CALLBACK (psppire_cell_renderer_button_clicked),
415 g_signal_connect (G_OBJECT (cell_button->button), "button-press-event",
416 G_CALLBACK (psppire_cell_renderer_button_press_event),
419 gtk_widget_show (cell_button->button);
421 if (event != NULL && event->any.type == GDK_BUTTON_RELEASE)
425 cell_button->click_time = event->button.time;
426 cell_button->click_x = event->button.x_root;
427 cell_button->click_y = event->button.y_root;
428 idle_id = g_idle_add (psppire_cell_renderer_button_initial_click,
429 cell_button->button);
430 g_object_set_data (G_OBJECT (cell_button->button), IDLE_ID_STRING,
431 GINT_TO_POINTER (idle_id));
432 g_signal_connect (G_OBJECT (cell_button->button), "destroy",
433 G_CALLBACK (psppire_cell_renderer_button_on_destroy),
438 cell_button->click_time = 0;
439 cell_button->click_x = 0;
440 cell_button->click_y = 0;
443 return GTK_CELL_EDITABLE (cell_button->button);
447 psppire_cell_renderer_button_class_init (PsppireCellRendererButtonClass *class)
449 GObjectClass *gobject_class = G_OBJECT_CLASS (class);
450 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
451 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
453 gobject_class->set_property = psppire_cell_renderer_button_set_property;
454 gobject_class->get_property = psppire_cell_renderer_button_get_property;
455 gobject_class->finalize = psppire_cell_renderer_button_finalize;
457 gtk_object_class->destroy = psppire_cell_renderer_button_destroy;
459 cell_class->get_size = psppire_cell_renderer_button_get_size;
460 cell_class->render = psppire_cell_renderer_button_render;
461 cell_class->start_editing = psppire_cell_renderer_button_start_editing;
463 g_signal_new ("clicked",
464 G_TYPE_FROM_CLASS (gobject_class),
468 g_cclosure_marshal_VOID__STRING,
472 g_signal_new ("double-clicked",
473 G_TYPE_FROM_CLASS (gobject_class),
477 g_cclosure_marshal_VOID__STRING,
481 g_object_class_install_property (gobject_class,
483 g_param_spec_boolean ("editable",
485 "Whether the button may be clicked.",
489 g_object_class_install_property (gobject_class,
491 g_param_spec_string ("label",
493 "Text to appear in button.",
499 psppire_cell_renderer_button_init (PsppireCellRendererButton *obj)
501 obj->editable = FALSE;
502 obj->label = g_strdup ("");
503 obj->border_width = 0;
509 obj->button_style = NULL;
510 obj->label_style = NULL;
512 obj->style_set_handler = 0;
513 obj->destroy_handler = 0;
517 psppire_cell_renderer_button_finalize (GObject *obj)
519 PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (obj);
521 g_free (button->label);
525 psppire_cell_renderer_button_destroy (GtkObject *obj)
527 PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (obj);
529 update_style_cache (button, NULL);
531 GTK_OBJECT_CLASS (psppire_cell_renderer_button_parent_class)->destroy (obj);
535 psppire_cell_renderer_button_new (void)
537 return GTK_CELL_RENDERER (g_object_new (PSPPIRE_TYPE_CELL_RENDERER_BUTTON, NULL));