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Fix selection not working on a rotated page

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This commit is contained in:
marcoe 2023-09-12 15:01:30 +02:00
parent 858673f74e
commit d46f962562
1 changed files with 45 additions and 8 deletions
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53
zathura/page-widget.c
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@ -901,14 +901,47 @@ zathura_page_widget_link_get(ZathuraPage* widget, unsigned int index)
}
}
static void
rotate_point(zathura_document_t* document, double orig_x, double orig_y,
double* x, double* y)
{
const unsigned int rotation = zathura_document_get_rotation(document);
if (rotation == 0) {
*x = orig_x;
*y = orig_y;
return;
}
unsigned int height, width;
zathura_document_get_cell_size(document, &height, &width);
switch (rotation) {
case 90:
*x = orig_y;
*y = width - orig_x;
break;
case 180:
*x = width - orig_x;
*y = height - orig_y;
break;
case 270:
*x = height - orig_y;
*y = orig_x;
break;
default:
*x = orig_x;
*y = orig_y;
}
}
static gboolean
cb_zathura_page_widget_button_press_event(GtkWidget* widget, GdkEventButton* button)
{
g_return_val_if_fail(widget != NULL, false);
g_return_val_if_fail(button != NULL, false);
ZathuraPage* page = ZATHURA_PAGE(widget);
ZathuraPagePrivate* priv = zathura_page_widget_get_instance_private(page);
ZathuraPage* page = ZATHURA_PAGE(widget);
ZathuraPagePrivate* priv = zathura_page_widget_get_instance_private(page);
zathura_document_t* document = zathura_page_get_document(priv->page);
if (girara_callback_view_button_press_event(widget, button, priv->zathura->ui.session) == true) {
return true;
@ -922,10 +955,13 @@ cb_zathura_page_widget_button_press_event(GtkWidget* widget, GdkEventButton* but
if (button->button == GDK_BUTTON_PRIMARY) { /* left click */
if (button->type == GDK_BUTTON_PRESS) {
/* start the selection */
priv->mouse.selection.x1 = button->x;
priv->mouse.selection.y1 = button->y;
priv->mouse.selection.x2 = button->x;
priv->mouse.selection.y2 = button->y;
double x, y;
rotate_point(document, button->x, button->y, &x, &y);
priv->mouse.selection.x1 = x;
priv->mouse.selection.y1 = y;
priv->mouse.selection.x2 = x;
priv->mouse.selection.y2 = y;
} else if (button->type == GDK_2BUTTON_PRESS || button->type == GDK_3BUTTON_PRESS) {
/* abort the selection */
@ -1020,8 +1056,9 @@ cb_zathura_page_widget_motion_notify(GtkWidget* widget, GdkEventMotion* event)
const double scale = zathura_document_get_scale(document);
if (event->state & GDK_BUTTON1_MASK) {
priv->mouse.selection.x2 = event->x;
priv->mouse.selection.y2 = event->y;
/* calculate next selection */
rotate_point(document, event->x, event->y,
&priv->mouse.selection.x2, &priv->mouse.selection.y2);
zathura_rectangle_t selection = priv->mouse.selection;
selection.x1 /= scale;