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Add settings to pan canvas item editor instead of zoom with mouse/touchpad scrolling.

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This feature is mainly designed for developers who uses touchpad instead of mouse, and want to scroll instead of zoom. Every macOS developers will like it since it feels intuitive.

2 new settings are added to `2d_editor`:

1. `scroll_to_pan`: turn on to use mouse/touchpad scroll to pan canvas item editor view instead of zoom
2. `pan_speed`: use this value to change scroll speed
This commit is contained in:
Sean Bohan
2017-05-26 18:35:39 +08:00
parent 29c7118f32
commit e3f10f3e93
2 changed files with 65 additions and 18 deletions
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81
editor/plugins/canvas_item_editor_plugin.cpp
View File

@@ -1037,17 +1037,27 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent &p_event) {
if (b.button_index == BUTTON_WHEEL_DOWN) {
if (zoom < MIN_ZOOM)
return;
if (bool(EditorSettings::get_singleton()->get("2d_editor/scroll_to_pan"))) {
v_scroll->set_val(v_scroll->get_val() + int(EditorSettings::get_singleton()->get("2d_editor/pan_speed")) / zoom * b.factor);
float prev_zoom = zoom;
zoom = zoom * (1 - (0.05 * b.factor));
{
Point2 ofs(b.x, b.y);
ofs = ofs / prev_zoom - ofs / zoom;
h_scroll->set_val(h_scroll->get_val() + ofs.x);
v_scroll->set_val(v_scroll->get_val() + ofs.y);
}
else {
if (zoom < MIN_ZOOM)
return;
float prev_zoom = zoom;
zoom = zoom * (1 - (0.05 * b.factor));
{
Point2 ofs(b.x, b.y);
ofs = ofs / prev_zoom - ofs / zoom;
h_scroll->set_val(h_scroll->get_val() + ofs.x);
v_scroll->set_val(v_scroll->get_val() + ofs.y);
}
}
_update_scroll(0);
viewport->update();
return;
@@ -1055,16 +1065,25 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent &p_event) {
if (b.button_index == BUTTON_WHEEL_UP) {
if (zoom > MAX_ZOOM)
return;
if (bool(EditorSettings::get_singleton()->get("2d_editor/scroll_to_pan"))) {
v_scroll->set_val(v_scroll->get_val() - int(EditorSettings::get_singleton()->get("2d_editor/pan_speed")) / zoom * b.factor);
}
else {
if (zoom > MAX_ZOOM)
return;
float prev_zoom = zoom;
zoom = zoom * ((0.95 + (0.05 * b.factor)) / 0.95);
{
Point2 ofs(b.x, b.y);
ofs = ofs / prev_zoom - ofs / zoom;
h_scroll->set_val(h_scroll->get_val() + ofs.x);
v_scroll->set_val(v_scroll->get_val() + ofs.y);
}
float prev_zoom = zoom;
zoom = zoom * ((0.95 + (0.05 * b.factor)) / 0.95);
{
Point2 ofs(b.x, b.y);
ofs = ofs / prev_zoom - ofs / zoom;
h_scroll->set_val(h_scroll->get_val() + ofs.x);
v_scroll->set_val(v_scroll->get_val() + ofs.y);
}
_update_scroll(0);
@@ -1072,6 +1091,32 @@ void CanvasItemEditor::_viewport_input_event(const InputEvent &p_event) {
return;
}
if (b.button_index == BUTTON_WHEEL_LEFT) {
if (bool(EditorSettings::get_singleton()->get("2d_editor/scroll_to_pan"))) {
h_scroll->set_val(h_scroll->get_val() - int(EditorSettings::get_singleton()->get("2d_editor/pan_speed")) / zoom * b.factor);
_update_scroll(0);
viewport->update();
}
}
if (b.button_index == BUTTON_WHEEL_RIGHT) {
if (bool(EditorSettings::get_singleton()->get("2d_editor/scroll_to_pan"))) {
h_scroll->set_val(h_scroll->get_val() + int(EditorSettings::get_singleton()->get("2d_editor/pan_speed")) / zoom * b.factor);
_update_scroll(0);
viewport->update();
}
}
if (b.button_index == BUTTON_RIGHT) {
if (b.pressed && (tool == TOOL_SELECT && b.mod.alt)) {