Merge pull request #11743 from groud/zoom_button_fix
Fix zoom button not zooming on the screen center
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commit
980e78749b
2 changed files with 22 additions and 44 deletions
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@ -1219,50 +1219,26 @@ void CanvasItemEditor::_viewport_base_gui_input(const Ref<InputEvent> &p_event)
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if (b->get_button_index() == BUTTON_WHEEL_DOWN) {
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// Scroll or pan down
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if (bool(EditorSettings::get_singleton()->get("editors/2d/scroll_to_pan"))) {
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v_scroll->set_value(v_scroll->get_value() + int(EditorSettings::get_singleton()->get("editors/2d/pan_speed")) / zoom * b->get_factor());
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_update_scroll(0);
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viewport->update();
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} else {
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if (zoom < MIN_ZOOM)
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return;
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float prev_zoom = zoom;
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zoom = zoom * (1 - (0.05 * b->get_factor()));
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{
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Point2 ofs = viewport_scrollable->get_transform().affine_inverse().xform(b->get_position());
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ofs = ofs / prev_zoom - ofs / zoom;
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h_scroll->set_value(h_scroll->get_value() + ofs.x);
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v_scroll->set_value(v_scroll->get_value() + ofs.y);
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}
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_zoom_on_position(zoom * (1 - (0.05 * b->get_factor())), viewport_scrollable->get_transform().affine_inverse().xform(b->get_position()));
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}
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_update_scroll(0);
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viewport->update();
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return;
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}
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if (b->get_button_index() == BUTTON_WHEEL_UP) {
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// Scroll or pan up
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if (bool(EditorSettings::get_singleton()->get("editors/2d/scroll_to_pan"))) {
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v_scroll->set_value(v_scroll->get_value() - int(EditorSettings::get_singleton()->get("editors/2d/pan_speed")) / zoom * b->get_factor());
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_update_scroll(0);
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viewport->update();
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} else {
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if (zoom > MAX_ZOOM) return;
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float prev_zoom = zoom;
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zoom = zoom * ((0.95 + (0.05 * b->get_factor())) / 0.95);
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{
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Point2 ofs = viewport_scrollable->get_transform().affine_inverse().xform(b->get_position());
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ofs = ofs / prev_zoom - ofs / zoom;
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h_scroll->set_value(h_scroll->get_value() + ofs.x);
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v_scroll->set_value(v_scroll->get_value() + ofs.y);
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}
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_zoom_on_position(zoom * ((0.95 + (0.05 * b->get_factor())) / 0.95), viewport_scrollable->get_transform().affine_inverse().xform(b->get_position()));
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}
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_update_scroll(0);
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viewport->update();
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return;
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}
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@ -3069,31 +3045,32 @@ void CanvasItemEditor::_set_full_rect() {
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undo_redo->commit_action();
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}
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void CanvasItemEditor::_zoom_minus() {
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if (zoom < MIN_ZOOM)
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void CanvasItemEditor::_zoom_on_position(float p_zoom, Point2 p_position) {
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if (p_zoom < MIN_ZOOM || p_zoom > MAX_ZOOM)
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return;
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zoom /= 2.0;
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float prev_zoom = zoom;
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zoom = p_zoom;
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Point2 ofs = p_position;
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ofs = ofs / prev_zoom - ofs / zoom;
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h_scroll->set_value(h_scroll->get_value() + ofs.x);
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v_scroll->set_value(v_scroll->get_value() + ofs.y);
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_update_scroll(0);
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viewport->update();
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viewport_base->update();
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}
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void CanvasItemEditor::_zoom_minus() {
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_zoom_on_position(zoom / 2.0, viewport_scrollable->get_size() / 2.0);
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}
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void CanvasItemEditor::_zoom_reset() {
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zoom = 1;
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_update_scroll(0);
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viewport->update();
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viewport_base->update();
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_zoom_on_position(1.0, viewport_scrollable->get_size() / 2.0);
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}
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void CanvasItemEditor::_zoom_plus() {
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if (zoom > MAX_ZOOM)
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return;
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zoom *= 2.0;
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_update_scroll(0);
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viewport->update();
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viewport_base->update();
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_zoom_on_position(zoom * 2.0, viewport_scrollable->get_size() / 2.0);
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}
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void CanvasItemEditor::_toggle_snap(bool p_status) {
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@ -387,6 +387,7 @@ class CanvasItemEditor : public VBoxContainer {
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void _set_anchors_preset(Control::LayoutPreset p_preset);
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void _set_full_rect();
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void _zoom_on_position(float p_zoom, Point2 p_position = Point2());
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void _zoom_minus();
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void _zoom_reset();
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void _zoom_plus();
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