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);
67 psppire_cell_renderer_button_set_property (GObject *object,
72 PsppireCellRendererButton *obj = PSPPIRE_CELL_RENDERER_BUTTON (object);
77 obj->editable = g_value_get_boolean (value);
79 GTK_CELL_RENDERER (obj)->mode = GTK_CELL_RENDERER_MODE_EDITABLE;
81 GTK_CELL_RENDERER (obj)->mode = GTK_CELL_RENDERER_MODE_INERT;
86 obj->label = g_value_dup_string (value);
90 psppire_cell_renderer_button_set_slash (obj,
91 g_value_get_boolean (value));
95 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
101 psppire_cell_renderer_button_get_property (GObject *object,
106 PsppireCellRendererButton *obj = PSPPIRE_CELL_RENDERER_BUTTON (object);
111 g_value_set_boolean (value, obj->editable);
115 g_value_set_string (value, obj->label);
119 g_value_set_boolean (value,
120 psppire_cell_renderer_button_get_slash (obj));
124 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
130 on_style_set (GtkWidget *base,
131 GtkStyle *previous_style,
132 PsppireCellRendererButton *button)
134 update_style_cache (button, NULL);
138 on_destroy (GtkObject *base,
139 PsppireCellRendererButton *button)
141 update_style_cache (button, NULL);
145 update_style_cache (PsppireCellRendererButton *button,
148 if (button->base == widget)
151 /* Clear old cache. */
152 if (button->button_style)
154 g_object_unref (button->button_style);
155 button->button_style = NULL;
157 if (button->label_style)
159 g_object_unref (button->label_style);
160 button->label_style = NULL;
162 if (button->base != NULL)
164 if (button->style_set_handler)
166 g_signal_handler_disconnect (button->base,
167 button->style_set_handler);
168 button->style_set_handler = 0;
170 if (button->destroy_handler)
172 g_signal_handler_disconnect (button->base, button->destroy_handler);
173 button->destroy_handler = 0;
175 g_object_unref (button->base);
179 /* Populate cache. */
182 button->button_style = facade_get_style (widget, GTK_TYPE_BUTTON, 0);
183 button->label_style = facade_get_style (widget, GTK_TYPE_BUTTON,
185 button->base = widget;
186 button->style_set_handler = g_signal_connect (widget, "style-set",
187 G_CALLBACK (on_style_set),
189 button->destroy_handler = g_signal_connect (widget, "destroy",
190 G_CALLBACK (on_destroy),
193 g_object_ref (widget);
194 g_object_ref (button->button_style);
195 g_object_ref (button->label_style);
200 psppire_cell_renderer_button_render (GtkCellRenderer *cell,
203 GdkRectangle *background_area,
204 GdkRectangle *cell_area,
205 GdkRectangle *expose_area,
206 GtkCellRendererState flags)
208 PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (cell);
209 GtkStateType state_type;
211 if (!button->editable || !cell->sensitive)
212 state_type = GTK_STATE_INSENSITIVE;
213 else if (flags & GTK_CELL_RENDERER_SELECTED)
215 if (gtk_widget_has_focus (widget))
216 state_type = GTK_STATE_SELECTED;
218 state_type = GTK_STATE_ACTIVE;
220 else if (flags & GTK_CELL_RENDERER_PRELIT)
221 state_type = GTK_STATE_PRELIGHT;
224 if (gtk_widget_get_state (widget) == GTK_STATE_INSENSITIVE)
225 state_type = GTK_STATE_INSENSITIVE;
227 state_type = GTK_STATE_NORMAL;
230 update_style_cache (button, widget);
231 facade_button_render (widget, window, expose_area,
232 cell_area, button->border_width, button->button_style,
234 button->label_style, button->label, button->xpad,
235 button->ypad, cell->xalign, cell->yalign);
238 gdk_draw_line (window, button->button_style->black_gc,
240 cell_area->y + cell_area->height,
241 cell_area->x + cell_area->width,
246 psppire_cell_renderer_button_get_size (GtkCellRenderer *cell,
248 GdkRectangle *cell_area,
254 PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (cell);
256 update_style_cache (button, widget);
257 if (cell_area != NULL)
259 /* The caller is really asking for the placement of the focus rectangle.
260 The focus rectangle should surround the whole label area, so calculate
264 facade_button_get_focus_inset (button->border_width, widget,
265 button->button_style, &inset);
268 *x_offset = inset.left;
270 *y_offset = inset.top;
272 *width = MAX (1, cell_area->width - inset.left - inset.right);
274 *height = MAX (1, cell_area->height - inset.top - inset.bottom);
278 /* The caller is asking for the preferred size of the cell. */
279 GtkRequisition label_req;
280 GtkRequisition request;
282 facade_label_get_size_request (button->xpad, button->ypad,
283 widget, button->label, &label_req);
284 facade_button_get_size_request (button->border_width, widget,
285 button->button_style, &label_req,
293 *width = request.width;
295 *height = request.height;
300 psppire_cell_renderer_button_clicked (GtkButton *button,
303 PsppireCellRendererButton *cell_button = data;
306 g_object_get (button, "path", &path, NULL);
307 g_signal_emit_by_name (cell_button, "clicked", path);
312 psppire_cell_renderer_button_focus_out_event (GtkWidget *widget,
316 PsppireCellRendererButton *cell_button = data;
318 g_signal_handlers_disconnect_by_func (widget,
319 psppire_cell_renderer_button_focus_out_event,
321 g_signal_handlers_disconnect_by_func (widget,
322 psppire_cell_renderer_button_clicked,
325 gtk_cell_renderer_stop_editing (GTK_CELL_RENDERER (cell_button), FALSE);
330 #define IDLE_ID_STRING "psppire-cell-renderer-button-idle-id"
333 psppire_cell_renderer_button_initial_click (gpointer data)
335 GtkButton *button = data;
337 gtk_button_clicked (button);
338 g_object_steal_data (G_OBJECT (button), IDLE_ID_STRING);
343 psppire_cell_renderer_button_on_destroy (GObject *object, gpointer user_data)
347 idle_id = GPOINTER_TO_INT (g_object_steal_data (object, IDLE_ID_STRING));
349 g_source_remove (idle_id);
353 psppire_cell_renderer_button_double_click (GtkButton *button,
354 PsppireCellRendererButton *cell_button)
358 if (g_object_get_data (G_OBJECT (button), IDLE_ID_STRING))
359 psppire_cell_renderer_button_initial_click (button);
361 g_object_get (button, "path", &path, NULL);
362 g_signal_emit_by_name (cell_button, "double-clicked", path);
367 psppire_cell_renderer_button_press_event (GtkButton *button,
368 GdkEventButton *event,
371 PsppireCellRendererButton *cell_button = data;
373 if (cell_button->click_time != 0)
375 GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (button));
376 GtkSettings *settings = gtk_settings_get_for_screen (screen);
377 gint double_click_distance;
378 gint double_click_time;
380 g_object_get (settings,
381 "gtk-double-click-time", &double_click_time,
382 "gtk-double-click-distance", &double_click_distance,
385 if (event->type == GDK_BUTTON_PRESS
386 && event->button == 1
387 && event->time <= cell_button->click_time + double_click_time
388 && ABS (event->x_root - cell_button->click_x) <= double_click_distance
389 && ABS (event->y_root - cell_button->click_y) <= double_click_distance)
391 psppire_cell_renderer_button_double_click (button, cell_button);
395 cell_button->click_time = 0;
398 if (event->type == GDK_2BUTTON_PRESS)
400 psppire_cell_renderer_button_double_click (button, cell_button);
407 static GtkCellEditable *
408 psppire_cell_renderer_button_start_editing (GtkCellRenderer *cell,
412 GdkRectangle *background_area,
413 GdkRectangle *cell_area,
414 GtkCellRendererState flags)
416 PsppireCellRendererButton *cell_button = PSPPIRE_CELL_RENDERER_BUTTON (cell);
417 gfloat xalign, yalign;
419 gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
420 cell_button->button = g_object_new (PSPPIRE_TYPE_BUTTON_EDITABLE,
421 "label", cell_button->label,
425 "slash", cell_button->slash,
428 g_signal_connect (G_OBJECT (cell_button->button), "focus-out-event",
429 G_CALLBACK (psppire_cell_renderer_button_focus_out_event),
431 g_signal_connect (G_OBJECT (cell_button->button), "clicked",
432 G_CALLBACK (psppire_cell_renderer_button_clicked),
434 g_signal_connect (G_OBJECT (cell_button->button), "button-press-event",
435 G_CALLBACK (psppire_cell_renderer_button_press_event),
438 gtk_widget_show (cell_button->button);
440 if (event != NULL && event->any.type == GDK_BUTTON_RELEASE)
444 cell_button->click_time = event->button.time;
445 cell_button->click_x = event->button.x_root;
446 cell_button->click_y = event->button.y_root;
447 idle_id = g_idle_add (psppire_cell_renderer_button_initial_click,
448 cell_button->button);
449 g_object_set_data (G_OBJECT (cell_button->button), IDLE_ID_STRING,
450 GINT_TO_POINTER (idle_id));
451 g_signal_connect (G_OBJECT (cell_button->button), "destroy",
452 G_CALLBACK (psppire_cell_renderer_button_on_destroy),
457 cell_button->click_time = 0;
458 cell_button->click_x = 0;
459 cell_button->click_y = 0;
462 return GTK_CELL_EDITABLE (cell_button->button);
466 psppire_cell_renderer_button_class_init (PsppireCellRendererButtonClass *class)
468 GObjectClass *gobject_class = G_OBJECT_CLASS (class);
469 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
470 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
472 gobject_class->set_property = psppire_cell_renderer_button_set_property;
473 gobject_class->get_property = psppire_cell_renderer_button_get_property;
474 gobject_class->finalize = psppire_cell_renderer_button_finalize;
476 gtk_object_class->destroy = psppire_cell_renderer_button_destroy;
478 cell_class->get_size = psppire_cell_renderer_button_get_size;
479 cell_class->render = psppire_cell_renderer_button_render;
480 cell_class->start_editing = psppire_cell_renderer_button_start_editing;
482 g_signal_new ("clicked",
483 G_TYPE_FROM_CLASS (gobject_class),
487 g_cclosure_marshal_VOID__STRING,
491 g_signal_new ("double-clicked",
492 G_TYPE_FROM_CLASS (gobject_class),
496 g_cclosure_marshal_VOID__STRING,
500 g_object_class_install_property (gobject_class,
502 g_param_spec_boolean ("editable",
504 "Whether the button may be clicked.",
508 g_object_class_install_property (gobject_class,
510 g_param_spec_string ("label",
512 "Text to appear in button.",
516 g_object_class_install_property (gobject_class,
518 g_param_spec_boolean ("slash",
520 _("Whether to draw a diagonal slash across the button."),
527 psppire_cell_renderer_button_init (PsppireCellRendererButton *obj)
529 obj->editable = FALSE;
530 obj->label = g_strdup ("");
531 obj->border_width = 0;
539 obj->button_style = NULL;
540 obj->label_style = NULL;
542 obj->style_set_handler = 0;
543 obj->destroy_handler = 0;
547 psppire_cell_renderer_button_finalize (GObject *obj)
549 PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (obj);
551 g_free (button->label);
555 psppire_cell_renderer_button_destroy (GtkObject *obj)
557 PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (obj);
559 update_style_cache (button, NULL);
561 GTK_OBJECT_CLASS (psppire_cell_renderer_button_parent_class)->destroy (obj);
565 psppire_cell_renderer_button_new (void)
567 return GTK_CELL_RENDERER (g_object_new (PSPPIRE_TYPE_CELL_RENDERER_BUTTON, NULL));
571 psppire_cell_renderer_button_set_slash (PsppireCellRendererButton *button,
574 g_return_if_fail (button != NULL);
575 button->slash = slash;
579 psppire_cell_renderer_button_get_slash (const PsppireCellRendererButton *button)
581 g_return_val_if_fail (button != NULL, FALSE);
582 return button->slash;