+++ /dev/null
-/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2011, 2012 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include "ui/gui/psppire-cell-renderer-button.h"
-
-#include <math.h>
-#include <string.h>
-
-#include "ui/gui/psppire-button-editable.h"
-#include "ui/gui/pspp-widget-facade.h"
-
-#include "gl/configmake.h"
-#include "gl/relocatable.h"
-
-#include "gettext.h"
-#define _(msgid) gettext (msgid)
-
-static void psppire_cell_renderer_button_dispose (GObject *);
-static void psppire_cell_renderer_button_finalize (GObject *);
-
-static void update_style_cache (PsppireCellRendererButton *button,
- GtkWidget *widget);
-
-static void psppire_cell_renderer_button_load_gtkrc (void);
-
-
-G_DEFINE_TYPE_EXTENDED (PsppireCellRendererButton,
- psppire_cell_renderer_button,
- GTK_TYPE_CELL_RENDERER,
- 0,
- psppire_cell_renderer_button_load_gtkrc ());
-
-static void
-psppire_cell_renderer_button_load_gtkrc (void)
-{
- const char *gtkrc_file;
-
- gtkrc_file = relocate (PKGDATADIR "/psppire.gtkrc");
- gtk_rc_add_default_file (gtkrc_file);
- gtk_rc_parse (gtkrc_file);
-}
-
-enum
- {
- PROP_0,
- PROP_EDITABLE,
- PROP_LABEL,
- PROP_SLASH
- };
-
-static void
-psppire_cell_renderer_button_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- PsppireCellRendererButton *obj = PSPPIRE_CELL_RENDERER_BUTTON (object);
- switch (prop_id)
- {
- case PROP_EDITABLE:
- obj->editable = g_value_get_boolean (value);
- if (obj->editable)
- g_object_set (obj, "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
- else
- g_object_set (obj, "mode", GTK_CELL_RENDERER_MODE_INERT, NULL);
- break;
-
- case PROP_LABEL:
- g_free (obj->label);
- obj->label = g_value_dup_string (value);
- break;
-
- case PROP_SLASH:
- psppire_cell_renderer_button_set_slash (obj,
- g_value_get_boolean (value));
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-psppire_cell_renderer_button_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- PsppireCellRendererButton *obj = PSPPIRE_CELL_RENDERER_BUTTON (object);
-
- switch (prop_id)
- {
- case PROP_EDITABLE:
- g_value_set_boolean (value, obj->editable);
- break;
-
- case PROP_LABEL:
- g_value_set_string (value, obj->label);
- break;
-
- case PROP_SLASH:
- g_value_set_boolean (value,
- psppire_cell_renderer_button_get_slash (obj));
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-on_style_set (GtkWidget *base,
- GtkStyle *previous_style,
- PsppireCellRendererButton *button)
-{
- update_style_cache (button, NULL);
-}
-
-static void
-update_style_cache (PsppireCellRendererButton *button,
- GtkWidget *widget)
-{
- if (button->base == widget)
- return;
-
- /* Clear old cache. */
- if (button->button_style)
- {
- g_object_unref (button->button_style);
- button->button_style = NULL;
- }
- if (button->label_style)
- {
- g_object_unref (button->label_style);
- button->label_style = NULL;
- }
- if (button->base != NULL)
- {
- if (button->style_set_handler)
- {
- g_signal_handler_disconnect (button->base,
- button->style_set_handler);
- button->style_set_handler = 0;
- }
- g_object_unref (button->base);
- button->base = NULL;
- }
-
- /* Populate cache. */
- if (widget)
- {
- button->button_style = facade_get_style (widget, GTK_TYPE_BUTTON, 0);
- button->label_style = facade_get_style (widget, GTK_TYPE_BUTTON,
- GTK_TYPE_LABEL, 0);
- button->base = widget;
- button->style_set_handler = g_signal_connect (widget, "style-set",
- G_CALLBACK (on_style_set),
- button);
- g_object_ref (widget);
- g_object_ref (button->button_style);
- g_object_ref (button->label_style);
- }
-}
-
-static void
-psppire_cell_renderer_button_render (GtkCellRenderer *cell,
- GdkDrawable *window,
- GtkWidget *widget,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GdkRectangle *expose_area,
- GtkCellRendererState flags)
-{
- GtkStateType state_type;
- PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (cell);
- gfloat xalign, yalign;
-
- if (!button->editable || ! gtk_cell_renderer_get_sensitive (cell))
- state_type = GTK_STATE_INSENSITIVE;
- else if (flags & GTK_CELL_RENDERER_SELECTED)
- {
- if (gtk_widget_has_focus (widget))
- state_type = GTK_STATE_SELECTED;
- else
- state_type = GTK_STATE_ACTIVE;
- }
- else if (flags & GTK_CELL_RENDERER_PRELIT)
- state_type = GTK_STATE_PRELIGHT;
- else
- {
- if (gtk_widget_get_state (widget) == GTK_STATE_INSENSITIVE)
- state_type = GTK_STATE_INSENSITIVE;
- else
- state_type = GTK_STATE_NORMAL;
- }
-
- gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
-
- update_style_cache (button, widget);
- facade_button_render (widget, window, expose_area,
- cell_area, button->border_width, button->button_style,
- state_type,
- button->label_style, button->label, button->xpad,
- button->ypad, xalign, yalign);
-
- if (button->slash)
- {
- cairo_t *cr = gdk_cairo_create (window);
-
- cairo_set_line_width (cr, 1.0);
- cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
- cairo_move_to (cr,
- cell_area->x,
- cell_area->y + cell_area->height);
-
- cairo_line_to (cr,
- cell_area->x + cell_area->width,
- cell_area->y);
- cairo_stroke (cr);
- }
-}
-
-static void
-psppire_cell_renderer_button_get_size (GtkCellRenderer *cell,
- GtkWidget *widget,
- GdkRectangle *cell_area,
- gint *x_offset,
- gint *y_offset,
- gint *width,
- gint *height)
-{
- PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (cell);
-
- update_style_cache (button, widget);
- if (cell_area != NULL)
- {
- /* The caller is really asking for the placement of the focus rectangle.
- The focus rectangle should surround the whole label area, so calculate
- that area. */
- GtkBorder inset;
-
- facade_button_get_focus_inset (button->border_width, widget,
- button->button_style, &inset);
-
- if (x_offset)
- *x_offset = inset.left;
- if (y_offset)
- *y_offset = inset.top;
- if (width)
- *width = MAX (1, cell_area->width - inset.left - inset.right);
- if (height)
- *height = MAX (1, cell_area->height - inset.top - inset.bottom);
- }
- else
- {
- /* The caller is asking for the preferred size of the cell. */
- GtkRequisition label_req;
- GtkRequisition request;
-
- facade_label_get_size_request (button->xpad, button->ypad,
- widget, button->label, &label_req);
- facade_button_get_size_request (button->border_width, widget,
- button->button_style, &label_req,
- &request);
-
- if (x_offset)
- *x_offset = 0;
- if (y_offset)
- *y_offset = 0;
- if (width)
- *width = request.width;
- if (height)
- *height = request.height;
- }
-}
-
-static void
-psppire_cell_renderer_button_clicked (GtkButton *button,
- gpointer data)
-{
- PsppireCellRendererButton *cell_button = data;
- gchar *path;
-
- g_object_get (button, "path", &path, NULL);
- g_signal_emit_by_name (cell_button, "clicked", path);
- g_free (path);
-}
-
-#define IDLE_ID_STRING "psppire-cell-renderer-button-idle-id"
-
-static gboolean
-psppire_cell_renderer_button_initial_click (gpointer data)
-{
- GtkButton *button = data;
-
- g_object_steal_data (G_OBJECT (button), IDLE_ID_STRING);
- gtk_button_clicked (button);
- return FALSE;
-}
-
-static void
-psppire_cell_renderer_button_on_destroy (GObject *object, gpointer user_data)
-{
- guint idle_id;
-
- idle_id = GPOINTER_TO_INT (g_object_steal_data (object, IDLE_ID_STRING));
- if (idle_id != 0)
- g_source_remove (idle_id);
-}
-
-static void
-psppire_cell_renderer_button_double_click (GtkButton *button,
- PsppireCellRendererButton *cell_button)
-{
- gchar *path;
-
- if (g_object_get_data (G_OBJECT (button), IDLE_ID_STRING))
- psppire_cell_renderer_button_initial_click (button);
-
- g_object_get (button, "path", &path, NULL);
- g_signal_emit_by_name (cell_button, "double-clicked", path);
- g_free (path);
-}
-
-static gboolean
-psppire_cell_renderer_button_press_event (GtkButton *button,
- GdkEventButton *event,
- gpointer data)
-{
- PsppireCellRendererButton *cell_button = data;
-
- if (event->button == 3)
- {
- /* Allow right-click events to propagate upward in the widget hierarchy.
- Otherwise right-click menus, that trigger on a button-press-event on
- the containing PsppSheetView, will pop up if the button is rendered as
- a facade but not if the button widget exists.
-
- We have to translate the event's data by hand to be relative to the
- parent window, because the normal GObject signal propagation mechanism
- won't do it for us. (This might be a hint that we're doing this
- wrong.) */
- gint x, y;
-
- gdk_window_get_position (event->window, &x, &y);
- event->x += x;
- event->y += y;
- g_signal_stop_emission_by_name (button, "button-press-event");
- return FALSE;
- }
-
- if (cell_button->click_time != 0)
- {
- GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (button));
- GtkSettings *settings = gtk_settings_get_for_screen (screen);
- gint double_click_distance;
- gint double_click_time;
-
- g_object_get (settings,
- "gtk-double-click-time", &double_click_time,
- "gtk-double-click-distance", &double_click_distance,
- NULL);
-
- if (event->type == GDK_BUTTON_PRESS
- && event->button == 1
- && event->time <= cell_button->click_time + double_click_time
- && ABS (event->x_root - cell_button->click_x) <= double_click_distance
- && ABS (event->y_root - cell_button->click_y) <= double_click_distance)
- {
- psppire_cell_renderer_button_double_click (button, cell_button);
- return TRUE;
- }
-
- cell_button->click_time = 0;
- }
-
- if (event->type == GDK_2BUTTON_PRESS)
- {
- psppire_cell_renderer_button_double_click (button, cell_button);
- return TRUE;
- }
-
- return FALSE;
-}
-
-static GtkCellEditable *
-psppire_cell_renderer_button_start_editing (GtkCellRenderer *cell,
- GdkEvent *event,
- GtkWidget *widget,
- const gchar *path,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GtkCellRendererState flags)
-{
- PsppireCellRendererButton *cell_button = PSPPIRE_CELL_RENDERER_BUTTON (cell);
- gfloat xalign, yalign;
-
- gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
- cell_button->button = g_object_new (PSPPIRE_TYPE_BUTTON_EDITABLE,
- "label", cell_button->label,
- "xalign", xalign,
- "yalign", yalign,
- "path", path,
- NULL);
-
- g_signal_connect (G_OBJECT (cell_button->button), "clicked",
- G_CALLBACK (psppire_cell_renderer_button_clicked),
- cell);
- g_signal_connect (G_OBJECT (cell_button->button), "button-press-event",
- G_CALLBACK (psppire_cell_renderer_button_press_event),
- cell);
-
- gtk_widget_show (cell_button->button);
-
- if (event != NULL && event->any.type == GDK_BUTTON_RELEASE)
- {
- guint idle_id;
-
- cell_button->click_time = event->button.time;
- cell_button->click_x = event->button.x_root;
- cell_button->click_y = event->button.y_root;
- idle_id = g_idle_add (psppire_cell_renderer_button_initial_click,
- cell_button->button);
- g_object_set_data (G_OBJECT (cell_button->button), IDLE_ID_STRING,
- GINT_TO_POINTER (idle_id));
- g_signal_connect (G_OBJECT (cell_button->button), "destroy",
- G_CALLBACK (psppire_cell_renderer_button_on_destroy),
- NULL);
- }
- else
- {
- cell_button->click_time = 0;
- cell_button->click_x = 0;
- cell_button->click_y = 0;
- }
-
- return GTK_CELL_EDITABLE (cell_button->button);
-}
-
-static void
-psppire_cell_renderer_button_class_init (PsppireCellRendererButtonClass *class)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (class);
- GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
-
- gobject_class->set_property = psppire_cell_renderer_button_set_property;
- gobject_class->get_property = psppire_cell_renderer_button_get_property;
- gobject_class->finalize = psppire_cell_renderer_button_finalize;
- gobject_class->dispose = psppire_cell_renderer_button_dispose;
-
- cell_class->get_size = psppire_cell_renderer_button_get_size;
- cell_class->render = psppire_cell_renderer_button_render;
- cell_class->start_editing = psppire_cell_renderer_button_start_editing;
-
- g_signal_new ("clicked",
- G_TYPE_FROM_CLASS (gobject_class),
- G_SIGNAL_RUN_LAST,
- 0,
- NULL, NULL,
- g_cclosure_marshal_VOID__STRING,
- G_TYPE_NONE,
- 1, G_TYPE_STRING);
-
- g_signal_new ("double-clicked",
- G_TYPE_FROM_CLASS (gobject_class),
- G_SIGNAL_RUN_LAST,
- 0,
- NULL, NULL,
- g_cclosure_marshal_VOID__STRING,
- G_TYPE_NONE,
- 1, G_TYPE_STRING);
-
- g_object_class_install_property (gobject_class,
- PROP_EDITABLE,
- g_param_spec_boolean ("editable",
- "Editable",
- "Whether the button may be clicked.",
- FALSE,
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- PROP_LABEL,
- g_param_spec_string ("label",
- "Label",
- "Text to appear in button.",
- "",
- G_PARAM_READWRITE));
-
- g_object_class_install_property (gobject_class,
- PROP_SLASH,
- g_param_spec_boolean ("slash",
- _("Diagonal slash"),
- _("Whether to draw a diagonal slash across the button."),
- FALSE,
- G_PARAM_READWRITE));
-
-}
-
-static void
-psppire_cell_renderer_button_init (PsppireCellRendererButton *obj)
-{
- obj->editable = FALSE;
- obj->label = g_strdup ("");
- obj->border_width = 0;
- obj->xpad = 0;
- obj->ypad = 0;
-
- obj->slash = FALSE;
-
- obj->button = NULL;
-
- obj->button_style = NULL;
- obj->label_style = NULL;
- obj->base = NULL;
- obj->style_set_handler = 0;
- obj->dispose_has_run = FALSE;
-}
-
-static void
-psppire_cell_renderer_button_finalize (GObject *obj)
-{
- PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (obj);
-
- g_free (button->label);
-}
-
-static void
-psppire_cell_renderer_button_dispose (GObject *obj)
-{
- PsppireCellRendererButton *button = PSPPIRE_CELL_RENDERER_BUTTON (obj);
-
- if (button->dispose_has_run)
- return;
-
- button->dispose_has_run = TRUE;
-
- /* When called with NULL, as we are doing here, update_style_cache
- does nothing more than to drop references */
- update_style_cache (button, NULL);
-
- G_OBJECT_CLASS (psppire_cell_renderer_button_parent_class)->dispose (obj);
-}
-
-GtkCellRenderer *
-psppire_cell_renderer_button_new (void)
-{
- return GTK_CELL_RENDERER (g_object_new (PSPPIRE_TYPE_CELL_RENDERER_BUTTON, NULL));
-}
-
-void
-psppire_cell_renderer_button_set_slash (PsppireCellRendererButton *button,
- gboolean slash)
-{
- g_return_if_fail (button != NULL);
- button->slash = slash;
-}
-
-gboolean
-psppire_cell_renderer_button_get_slash (const PsppireCellRendererButton *button)
-{
- g_return_val_if_fail (button != NULL, FALSE);
- return button->slash;
-}
projects / pspp / blobdiff