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Moritz Lipp
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176
page-widget.c
176
page-widget.c
@ -31,6 +31,9 @@ typedef struct zathura_page_widget_private_s {
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int x;
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int y;
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} selection_basepoint;
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girara_list_t* images; /**< List of images on the page */
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bool images_got; /**< True if we already tried to retrieve the list of images */
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zathura_image_t* current_image; /**< Image data of selected image */
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} zathura_page_widget_private_t;
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#define ZATHURA_PAGE_GET_PRIVATE(obj) \
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@ -46,9 +49,12 @@ static void zathura_page_widget_get_property(GObject* object, guint prop_id, GVa
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static void zathura_page_widget_size_allocate(GtkWidget* widget, GdkRectangle* allocation);
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static void redraw_rect(ZathuraPage* widget, zathura_rectangle_t* rectangle);
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static void redraw_all_rects(ZathuraPage* widget, girara_list_t* rectangles);
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static void zathura_page_widget_popup_menu(GtkWidget* widget, GdkEventButton* event);
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static gboolean cb_zathura_page_widget_button_press_event(GtkWidget* widget, GdkEventButton* button);
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static gboolean cb_zathura_page_widget_button_release_event(GtkWidget* widget, GdkEventButton* button);
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static gboolean cb_zathura_page_widget_motion_notify(GtkWidget* widget, GdkEventMotion* event);
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static gboolean cb_zathura_page_widget_popup_menu(GtkWidget* widget);
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static void cb_menu_image_copy(GtkMenuItem* item, ZathuraPage* page);
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enum properties_e
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{
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@ -73,13 +79,14 @@ zathura_page_widget_class_init(ZathuraPageClass* class)
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GtkWidgetClass* widget_class = GTK_WIDGET_CLASS(class);
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#if GTK_MAJOR_VERSION == 3
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widget_class->draw = zathura_page_widget_draw;
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#else
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#else
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widget_class->expose_event = zathura_page_widget_expose;
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#endif
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#endif
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widget_class->size_allocate = zathura_page_widget_size_allocate;
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widget_class->button_press_event = cb_zathura_page_widget_button_press_event;
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widget_class->button_release_event = cb_zathura_page_widget_button_release_event;
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widget_class->motion_notify_event = cb_zathura_page_widget_motion_notify;
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widget_class->popup_menu = cb_zathura_page_widget_popup_menu;
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GObjectClass* object_class = G_OBJECT_CLASS(class);
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object_class->finalize = zathura_page_widget_finalize;
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@ -107,16 +114,19 @@ static void
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zathura_page_widget_init(ZathuraPage* widget)
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{
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zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
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priv->page = NULL;
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priv->surface = NULL;
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priv->links = NULL;
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priv->links_got = false;
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priv->link_offset = 0;
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priv->search_results = NULL;
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priv->search_current = INT_MAX;
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priv->selection.x1 = -1;
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priv->page = NULL;
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priv->surface = NULL;
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priv->links = NULL;
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priv->links_got = false;
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priv->link_offset = 0;
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priv->search_results = NULL;
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priv->search_current = INT_MAX;
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priv->selection.x1 = -1;
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priv->selection_basepoint.x = -1;
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priv->selection_basepoint.y = -1;
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priv->images = NULL;
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priv->images_got = false;
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priv->current_image = NULL;
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g_static_mutex_init(&(priv->lock));
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/* we want mouse events */
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@ -471,29 +481,34 @@ cb_zathura_page_widget_button_press_event(GtkWidget* widget, GdkEventButton* but
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{
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g_return_val_if_fail(widget != NULL, false);
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g_return_val_if_fail(button != NULL, false);
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if (button->button != 1) {
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return false;
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}
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zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
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if (button->type == GDK_BUTTON_PRESS) {
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/* start the selection */
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priv->selection_basepoint.x = button->x;
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priv->selection_basepoint.y = button->y;
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priv->selection.x1 = button->x;
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priv->selection.y1 = button->y;
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priv->selection.x2 = button->x;
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priv->selection.y2 = button->y;
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} else if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
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/* abort the selection */
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priv->selection_basepoint.x = -1;
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priv->selection_basepoint.y = -1;
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priv->selection.x1 = -1;
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priv->selection.y1 = -1;
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priv->selection.x2 = -1;
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priv->selection.y2 = -1;
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if (button->button == 1) { /* left click */
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if (button->type == GDK_BUTTON_PRESS) {
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/* start the selection */
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priv->selection_basepoint.x = button->x;
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priv->selection_basepoint.y = button->y;
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priv->selection.x1 = button->x;
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priv->selection.y1 = button->y;
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priv->selection.x2 = button->x;
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priv->selection.y2 = button->y;
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} else if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
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/* abort the selection */
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priv->selection_basepoint.x = -1;
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priv->selection_basepoint.y = -1;
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priv->selection.x1 = -1;
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priv->selection.y1 = -1;
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priv->selection.x2 = -1;
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priv->selection.y2 = -1;
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}
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return true;
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} else if (button->button == 3) { /* right click */
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zathura_page_widget_popup_menu(widget, button);
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return true;
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}
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return false;
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}
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@ -603,3 +618,106 @@ cb_zathura_page_widget_motion_notify(GtkWidget* widget, GdkEventMotion* event)
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return false;
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}
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static void
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zathura_page_widget_popup_menu(GtkWidget* widget, GdkEventButton* event)
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{
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g_return_if_fail(widget != NULL);
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g_return_if_fail(event != NULL);
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zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(widget);
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if (priv->images_got == false) {
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priv->images = zathura_page_images_get(priv->page, NULL);
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priv->images_got = true;
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}
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if (priv->images == NULL) {
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return;
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}
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/* search for underlaying image */
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zathura_image_t* image = NULL;
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GIRARA_LIST_FOREACH(priv->images, zathura_image_t*, iter, image_it)
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zathura_rectangle_t rect = recalc_rectangle(priv->page, image_it->position);
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if (rect.x1 <= event->x && rect.x2 >= event->x && rect.y1 <= event->y && rect.y2 >= event->y) {
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image = image_it;
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}
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GIRARA_LIST_FOREACH_END(priv->images, zathura_image_t*, iter, image_it);
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if (image == NULL) {
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return;
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}
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priv->current_image = image;
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/* setup menu */
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GtkWidget* menu = gtk_menu_new();
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typedef struct menu_item_s {
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char* text;
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void (*callback)(GtkMenuItem*, ZathuraPage*);
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} menu_item_t;
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menu_item_t menu_items[] = {
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{ _("Copy image"), cb_menu_image_copy },
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};
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for (unsigned int i = 0; i < LENGTH(menu_items); i++) {
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GtkWidget* item = gtk_menu_item_new_with_label(menu_items[i].text);
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gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
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gtk_widget_show(item);
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g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(menu_items[i].callback), ZATHURA_PAGE(widget));
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}
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/* attach and popup */
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int event_button = 0;
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int event_time = gtk_get_current_event_time();
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if (event != NULL) {
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event_button = event->button;
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event_time = event->time;
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}
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gtk_menu_attach_to_widget(GTK_MENU(menu), widget, NULL);
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gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, event_button, event_time);
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}
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static gboolean
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cb_zathura_page_widget_popup_menu(GtkWidget* widget)
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{
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zathura_page_widget_popup_menu(widget, NULL);
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return TRUE;
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}
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static void
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cb_menu_image_copy(GtkMenuItem* item, ZathuraPage* page)
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{
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g_return_if_fail(item != NULL);
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g_return_if_fail(page != NULL);
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zathura_page_widget_private_t* priv = ZATHURA_PAGE_GET_PRIVATE(page);
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g_return_if_fail(priv->current_image != NULL);
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cairo_surface_t* surface = zathura_page_image_get_cairo(priv->page, priv->current_image, NULL);
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if (surface == NULL) {
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return;
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}
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int width = cairo_image_surface_get_width(surface);
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int height = cairo_image_surface_get_height(surface);
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GdkPixmap* pixmap = gdk_pixmap_new(GTK_WIDGET(item)->window, width, height, -1);
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cairo_t* cairo = gdk_cairo_create(pixmap);
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cairo_set_source_surface(cairo, surface, 0, 0);
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cairo_paint(cairo);
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cairo_destroy(cairo);
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GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable(NULL, pixmap, NULL, 0, 0, 0,
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0, width, height);
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gtk_clipboard_set_image(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), pixbuf);
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gtk_clipboard_set_image(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pixbuf);
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priv->current_image = NULL;
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}
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