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Update scroll position when zooming TileSet editor

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This commit is contained in:
Haoyu Qiu
2022-03-07 13:01:39 +08:00
parent d93a4a8885
commit cc65147250
2 changed files with 21 additions and 16 deletions
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36
editor/plugins/tile_set_editor_plugin.cpp
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@@ -1227,11 +1227,11 @@ void TileSetEditor::_on_scroll_container_input(const Ref<InputEvent> &p_event) {
// to allow performing this action anywhere, even if the cursor isn't
// hovering the texture in the workspace.
if (mb->get_button_index() == BUTTON_WHEEL_UP && mb->is_pressed() && mb->get_control()) {
_zoom_in();
_zoom_on_position(scale_ratio, mb->get_position());
// Don't scroll up after zooming in.
accept_event();
} else if (mb->get_button_index() == BUTTON_WHEEL_DOWN && mb->is_pressed() && mb->get_control()) {
_zoom_out();
_zoom_on_position(1 / scale_ratio, mb->get_position());
// Don't scroll down after zooming out.
accept_event();
}
@@ -2416,29 +2416,33 @@ void TileSetEditor::_undo_tile_removal(int p_id) {
}
void TileSetEditor::_zoom_in() {
float scale = workspace->get_scale().x;
if (scale < max_scale) {
scale *= scale_ratio;
workspace->set_scale(Vector2(scale, scale));
workspace_container->set_custom_minimum_size(workspace->get_rect().size * scale);
workspace_overlay->set_custom_minimum_size(workspace->get_rect().size * scale);
}
_zoom_on_position(scale_ratio, Vector2());
}
void TileSetEditor::_zoom_out() {
float scale = workspace->get_scale().x;
if (scale > min_scale) {
scale /= scale_ratio;
workspace->set_scale(Vector2(scale, scale));
workspace_container->set_custom_minimum_size(workspace->get_rect().size * scale);
workspace_overlay->set_custom_minimum_size(workspace->get_rect().size * scale);
}
_zoom_on_position(1 / scale_ratio, Vector2());
}
void TileSetEditor::_zoom_reset() {
workspace->set_scale(Vector2(1, 1));
workspace_container->set_custom_minimum_size(workspace->get_rect().size);
workspace_overlay->set_custom_minimum_size(workspace->get_rect().size);
}
void TileSetEditor::_zoom_on_position(float p_zoom, const Vector2 &p_position) {
const float old_scale = workspace->get_scale().x;
const float new_scale = CLAMP(old_scale * p_zoom, min_scale, max_scale);
workspace->set_scale(Vector2(new_scale, new_scale));
workspace_container->set_custom_minimum_size(workspace->get_rect().size * new_scale);
workspace_overlay->set_custom_minimum_size(workspace->get_rect().size * new_scale);
Vector2 offset = Vector2(scroll->get_h_scroll(), scroll->get_v_scroll());
offset = (offset + p_position) / old_scale * new_scale - p_position;
scroll->set_h_scroll(offset.x);
scroll->set_v_scroll(offset.y);
}
void TileSetEditor::draw_highlight_current_tile() {
Color shadow_color = Color(0.3, 0.3, 0.3, 0.3);
if ((workspace_mode == WORKSPACE_EDIT && get_current_tile() >= 0) || !edited_region.has_no_area()) {