X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=shell%2Fev-utils.c;h=83cfcdbc90b59e6f1a28e083ad0dd8391cbf0dcc;hb=180cf6fef2318791abb3583f4c3f3bc176a204d8;hp=cf8a67c85bd8189dd1a9e81548379e502dacaf92;hpb=ca0836cb912f3b88834cae97774079314727c6e2;p=evince.git diff --git a/shell/ev-utils.c b/shell/ev-utils.c index cf8a67c8..83cfcdbc 100644 --- a/shell/ev-utils.c +++ b/shell/ev-utils.c @@ -14,12 +14,18 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ +#include + #include "ev-utils.h" +#include "ev-file-helpers.h" + +#include #include +#include typedef struct { @@ -177,3 +183,207 @@ ev_pixbuf_add_shadow (GdkPixbuf *src, int size, } +/* Simple function to output the contents of a region. Used solely for testing + * the region code. + */ +void +ev_print_region_contents (cairo_region_t *region) +{ + gint n_rectangles, i; + + if (region == NULL) { + g_print ("\n"); + return; + } + + g_print ("\n", region); + n_rectangles = cairo_region_num_rectangles (region); + for (i = 0; i < n_rectangles; i++) { + GdkRectangle rect; + + cairo_region_get_rectangle (region, i, &rect); + g_print ("\t(%d %d, %d %d) [%dx%d]\n", + rect.x, + rect.y, + rect.x + rect.width, + rect.y + rect.height, + rect.width, + rect.height); + } +} + +static void +ev_gui_sanitise_popup_position (GtkMenu *menu, + GtkWidget *widget, + gint *x, + gint *y) +{ + GdkScreen *screen = gtk_widget_get_screen (widget); + gint monitor_num; + GdkRectangle monitor; + GtkRequisition req; + + g_return_if_fail (widget != NULL); + + gtk_widget_size_request (GTK_WIDGET (menu), &req); + + monitor_num = gdk_screen_get_monitor_at_point (screen, *x, *y); + gtk_menu_set_monitor (menu, monitor_num); + gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor); + + *x = CLAMP (*x, monitor.x, monitor.x + MAX (0, monitor.width - req.width)); + *y = CLAMP (*y, monitor.y, monitor.y + MAX (0, monitor.height - req.height)); +} + +void +ev_gui_menu_position_tree_selection (GtkMenu *menu, + gint *x, + gint *y, + gboolean *push_in, + gpointer user_data) +{ + GtkTreeSelection *selection; + GList *selected_rows; + GtkTreeModel *model; + GtkTreeView *tree_view = GTK_TREE_VIEW (user_data); + GtkWidget *widget = GTK_WIDGET (user_data); + GtkRequisition req; + GtkAllocation allocation; + GdkRectangle visible; + + gtk_widget_size_request (GTK_WIDGET (menu), &req); + gdk_window_get_origin (gtk_widget_get_window (widget), x, y); + gtk_widget_get_allocation (widget, &allocation); + + *x += (allocation.width - req.width) / 2; + + /* Add on height for the treeview title */ + gtk_tree_view_get_visible_rect (tree_view, &visible); + *y += allocation.height - visible.height; + + selection = gtk_tree_view_get_selection (tree_view); + selected_rows = gtk_tree_selection_get_selected_rows (selection, &model); + if (selected_rows) + { + GdkRectangle cell_rect; + + gtk_tree_view_get_cell_area (tree_view, selected_rows->data, + NULL, &cell_rect); + + *y += CLAMP (cell_rect.y + cell_rect.height, 0, visible.height); + + g_list_foreach (selected_rows, (GFunc)gtk_tree_path_free, NULL); + g_list_free (selected_rows); + } + + ev_gui_sanitise_popup_position (menu, widget, x, y); +} + +/** + * get_num_monitors: Get the number of user monitors. + * @window: optional GtkWindow to look at. + * + * Returns: Number of monitors, -1 if uncertain situation (like multiple screens) + */ +gint +get_num_monitors (GtkWindow *window) +{ + GdkDisplay *display; + GdkScreen *screen; + gint num_screen; + + display = gdk_display_get_default (); + num_screen = gdk_display_get_n_screens (display); + + if (num_screen != 1) + return -1; + + if (window) + screen = gtk_window_get_screen (window); + else + screen = gdk_display_get_screen (display, 0); + + return gdk_screen_get_n_monitors (screen); +} + +void +file_chooser_dialog_add_writable_pixbuf_formats (GtkFileChooser *chooser) +{ + GSList *pixbuf_formats = NULL; + GSList *iter; + GtkFileFilter *filter; + int i; + + filter = gtk_file_filter_new(); + gtk_file_filter_set_name (filter, _("By extension")); + g_object_set_data (G_OBJECT(filter), "pixbuf-format", NULL); + gtk_file_chooser_add_filter (chooser, filter); + + pixbuf_formats = gdk_pixbuf_get_formats (); + + for (iter = pixbuf_formats; iter; iter = iter->next) { + GdkPixbufFormat *format = iter->data; + + gchar *description, *name, *extensions; + gchar **extension_list, **mime_types; + + if (gdk_pixbuf_format_is_disabled (format) || + !gdk_pixbuf_format_is_writable (format)) + continue; + + name = gdk_pixbuf_format_get_description (format); + extension_list = gdk_pixbuf_format_get_extensions (format); + extensions = g_strjoinv (", ", extension_list); + g_strfreev (extension_list); + description = g_strdup_printf ("%s (%s)", name, extensions); + + filter = gtk_file_filter_new (); + gtk_file_filter_set_name (filter, description); + g_object_set_data (G_OBJECT (filter), "pixbuf-format", format); + gtk_file_chooser_add_filter (chooser, filter); + + g_free (description); + g_free (extensions); + g_free (name); + + mime_types = gdk_pixbuf_format_get_mime_types (format); + for (i = 0; mime_types[i] != 0; i++) + gtk_file_filter_add_mime_type (filter, mime_types[i]); + g_strfreev (mime_types); + } + + g_slist_free (pixbuf_formats); +} + +GdkPixbufFormat* +get_gdk_pixbuf_format_by_extension (gchar *uri) +{ + GSList *pixbuf_formats = NULL; + GSList *iter; + int i; + + pixbuf_formats = gdk_pixbuf_get_formats (); + + for (iter = pixbuf_formats; iter; iter = iter->next) { + gchar **extension_list; + GdkPixbufFormat *format = iter->data; + + if (gdk_pixbuf_format_is_disabled (format) || + !gdk_pixbuf_format_is_writable (format)) + continue; + + extension_list = gdk_pixbuf_format_get_extensions (format); + + for (i = 0; extension_list[i] != 0; i++) { + if (g_str_has_suffix (uri, extension_list[i])) { + g_slist_free (pixbuf_formats); + g_strfreev (extension_list); + return format; + } + } + g_strfreev (extension_list); + } + + g_slist_free (pixbuf_formats); + return NULL; +}