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Add gesture to ViewPanner and simplify a bit its API

This commit is contained in:
Gilles Roudière 2023-01-19 17:50:51 +01:00
parent 9937915ad7
commit a3b431b09d
16 changed files with 139 additions and 201 deletions
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25
editor/animation_bezier_editor.cpp
View File

@ -1489,32 +1489,21 @@ void AnimationBezierTrackEdit::gui_input(const Ref<InputEvent> &p_event) {
}
}
void AnimationBezierTrackEdit::_scroll_callback(Vector2 p_scroll_vec, bool p_alt) {
_pan_callback(-p_scroll_vec * 32);
}
void AnimationBezierTrackEdit::_pan_callback(Vector2 p_scroll_vec) {
void AnimationBezierTrackEdit::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {
v_scroll += p_scroll_vec.y * v_zoom;
v_scroll = CLAMP(v_scroll, -100000, 100000);
timeline->set_value(timeline->get_value() - p_scroll_vec.x / timeline->get_zoom_scale());
queue_redraw();
}
void AnimationBezierTrackEdit::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
void AnimationBezierTrackEdit::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
const float v_zoom_orig = v_zoom;
if (p_alt) {
Ref<InputEventWithModifiers> iewm = p_event;
if (iewm.is_valid() && iewm->is_alt_pressed()) {
// Alternate zoom (doesn't affect timeline).
if (p_scroll_vec.y > 0) {
v_zoom = MIN(v_zoom * 1.2, 100000);
v_zoom = CLAMP(v_zoom * p_zoom_factor, 0.000001, 100000);
} else {
v_zoom = MAX(v_zoom / 1.2, 0.000001);
}
} else {
if (p_scroll_vec.y > 0) {
timeline->get_zoom()->set_value(timeline->get_zoom()->get_value() / 1.05);
} else {
timeline->get_zoom()->set_value(timeline->get_zoom()->get_value() * 1.05);
}
timeline->get_zoom()->set_value(timeline->get_zoom()->get_value() / p_zoom_factor);
}
v_scroll = v_scroll + (p_origin.y - get_size().y / 2.0) * (v_zoom - v_zoom_orig);
queue_redraw();
@ -1681,7 +1670,7 @@ void AnimationBezierTrackEdit::_bind_methods() {
AnimationBezierTrackEdit::AnimationBezierTrackEdit() {
panner.instantiate();
panner->set_callbacks(callable_mp(this, &AnimationBezierTrackEdit::_scroll_callback), callable_mp(this, &AnimationBezierTrackEdit::_pan_callback), callable_mp(this, &AnimationBezierTrackEdit::_zoom_callback));
panner->set_callbacks(callable_mp(this, &AnimationBezierTrackEdit::_pan_callback), callable_mp(this, &AnimationBezierTrackEdit::_zoom_callback));
play_position = memnew(Control);
play_position->set_mouse_filter(MOUSE_FILTER_PASS);

5
editor/animation_bezier_editor.h
View File

@ -174,9 +174,8 @@ class AnimationBezierTrackEdit : public Control {
SelectionSet selection;
Ref<ViewPanner> panner;
void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec);
void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event);
void _zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event);
void _draw_line_clipped(const Vector2 &p_from, const Vector2 &p_to, const Color &p_color, int p_clip_left, int p_clip_right);
void _draw_track(int p_track, const Color &p_color);

44
editor/animation_track_editor.cpp
View File

@ -1704,25 +1704,13 @@ Control::CursorShape AnimationTimelineEdit::get_cursor_shape(const Point2 &p_pos
}
}
void AnimationTimelineEdit::_scroll_callback(Vector2 p_scroll_vec, bool p_alt) {
// Timeline has no vertical scroll, so we change it to horizontal.
p_scroll_vec.x += p_scroll_vec.y;
_pan_callback(-p_scroll_vec * 32);
}
void AnimationTimelineEdit::_pan_callback(Vector2 p_scroll_vec) {
void AnimationTimelineEdit::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {
set_value(get_value() - p_scroll_vec.x / get_zoom_scale());
}
void AnimationTimelineEdit::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
double new_zoom_value;
void AnimationTimelineEdit::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
double current_zoom_value = get_zoom()->get_value();
if (current_zoom_value <= 0.1) {
new_zoom_value = MAX(0.01, current_zoom_value - 0.01 * SIGN(p_scroll_vec.y));
} else {
new_zoom_value = p_scroll_vec.y > 0 ? MAX(0.01, current_zoom_value / 1.05) : current_zoom_value * 1.05;
}
get_zoom()->set_value(new_zoom_value);
get_zoom()->set_value(MAX(0.01, current_zoom_value * p_zoom_factor));
}
void AnimationTimelineEdit::set_use_fps(bool p_use_fps) {
@ -1798,7 +1786,8 @@ AnimationTimelineEdit::AnimationTimelineEdit() {
len_hb->hide();
panner.instantiate();
panner->set_callbacks(callable_mp(this, &AnimationTimelineEdit::_scroll_callback), callable_mp(this, &AnimationTimelineEdit::_pan_callback), callable_mp(this, &AnimationTimelineEdit::_zoom_callback));
panner->set_callbacks(callable_mp(this, &AnimationTimelineEdit::_pan_callback), callable_mp(this, &AnimationTimelineEdit::_zoom_callback));
panner->set_pan_axis(ViewPanner::PAN_AXIS_HORIZONTAL);
set_layout_direction(Control::LAYOUT_DIRECTION_LTR);
}
@ -5358,32 +5347,23 @@ void AnimationTrackEditor::_toggle_bezier_edit() {
}
}
void AnimationTrackEditor::_scroll_callback(Vector2 p_scroll_vec, bool p_alt) {
if (p_alt) {
void AnimationTrackEditor::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {
Ref<InputEventWithModifiers> iewm = p_event;
if (iewm.is_valid() && iewm->is_alt_pressed()) {
if (p_scroll_vec.x < 0 || p_scroll_vec.y < 0) {
goto_prev_step(true);
} else {
goto_next_step(true);
}
} else {
_pan_callback(-p_scroll_vec * 32);
}
}
void AnimationTrackEditor::_pan_callback(Vector2 p_scroll_vec) {
timeline->set_value(timeline->get_value() - p_scroll_vec.x / timeline->get_zoom_scale());
scroll->set_v_scroll(scroll->get_v_scroll() - p_scroll_vec.y);
}
}
void AnimationTrackEditor::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
double new_zoom_value;
void AnimationTrackEditor::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
double current_zoom_value = timeline->get_zoom()->get_value();
if (current_zoom_value <= 0.1) {
new_zoom_value = MAX(0.01, current_zoom_value - 0.01 * SIGN(p_scroll_vec.y));
} else {
new_zoom_value = p_scroll_vec.y > 0 ? MAX(0.01, current_zoom_value / 1.05) : current_zoom_value * 1.05;
}
timeline->get_zoom()->set_value(new_zoom_value);
timeline->get_zoom()->set_value(MAX(0.01, current_zoom_value * p_zoom_factor));
}
void AnimationTrackEditor::_cancel_bezier_edit() {
@ -6398,7 +6378,7 @@ AnimationTrackEditor::AnimationTrackEditor() {
timeline->connect("length_changed", callable_mp(this, &AnimationTrackEditor::_update_length));
panner.instantiate();
panner->set_callbacks(callable_mp(this, &AnimationTrackEditor::_scroll_callback), callable_mp(this, &AnimationTrackEditor::_pan_callback), callable_mp(this, &AnimationTrackEditor::_zoom_callback));
panner->set_callbacks(callable_mp(this, &AnimationTrackEditor::_pan_callback), callable_mp(this, &AnimationTrackEditor::_zoom_callback));
scroll = memnew(ScrollContainer);
timeline_vbox->add_child(scroll);

10
editor/animation_track_editor.h
View File

@ -159,9 +159,8 @@ class AnimationTimelineEdit : public Range {
bool use_fps = false;
Ref<ViewPanner> panner;
void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec);
void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event);
void _zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event);
bool dragging_timeline = false;
bool dragging_hsize = false;
@ -460,9 +459,8 @@ class AnimationTrackEditor : public VBoxContainer {
PropertyInfo _find_hint_for_track(int p_idx, NodePath &r_base_path, Variant *r_current_val = nullptr);
Ref<ViewPanner> panner;
void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec);
void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event);
void _zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event);
void _timeline_value_changed(double);

56
editor/plugins/canvas_item_editor_plugin.cpp
View File

@ -1259,57 +1259,25 @@ bool CanvasItemEditor::_gui_input_zoom_or_pan(const Ref<InputEvent> &p_event, bo
}
}
Ref<InputEventMagnifyGesture> magnify_gesture = p_event;
if (magnify_gesture.is_valid() && !p_already_accepted) {
// Zoom gesture
_zoom_on_position(zoom * magnify_gesture->get_factor(), magnify_gesture->get_position());
return true;
}
Ref<InputEventPanGesture> pan_gesture = p_event;
if (pan_gesture.is_valid() && !p_already_accepted) {
// If ctrl key pressed, then zoom instead of pan.
if (pan_gesture->is_ctrl_pressed()) {
const real_t factor = pan_gesture->get_delta().y;
zoom_widget->set_zoom_by_increments(1);
if (factor != 1.f) {
zoom_widget->set_zoom(zoom * ((zoom_widget->get_zoom() / zoom - 1.f) * factor + 1.f));
}
_zoom_on_position(zoom_widget->get_zoom(), pan_gesture->get_position());
return true;
}
// Pan gesture
const Vector2 delta = (pan_speed / zoom) * pan_gesture->get_delta();
view_offset.x += delta.x;
view_offset.y += delta.y;
update_viewport();
return true;
}
return false;
}
void CanvasItemEditor::_scroll_callback(Vector2 p_scroll_vec, bool p_alt) {
_pan_callback(-p_scroll_vec * pan_speed);
}
void CanvasItemEditor::_pan_callback(Vector2 p_scroll_vec) {
void CanvasItemEditor::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {
view_offset.x -= p_scroll_vec.x / zoom;
view_offset.y -= p_scroll_vec.y / zoom;
update_viewport();
}
void CanvasItemEditor::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
int scroll_sign = (int)SIGN(p_scroll_vec.y);
// Inverted so that scrolling up (-1) zooms in, scrolling down (+1) zooms out.
zoom_widget->set_zoom_by_increments(-scroll_sign, p_alt);
if (!Math::is_equal_approx(ABS(p_scroll_vec.y), (real_t)1.0)) {
// Handle high-precision (analog) scrolling.
zoom_widget->set_zoom(zoom * ((zoom_widget->get_zoom() / zoom - 1.f) * ABS(p_scroll_vec.y) + 1.f));
void CanvasItemEditor::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid()) {
// Special behvior for scroll events, as the zoom_by_increment method can smartly end up on powers of two.
int increment = p_zoom_factor > 1.0 ? 1 : -1;
zoom_widget->set_zoom_by_increments(increment, mb->is_alt_pressed());
} else {
zoom_widget->set_zoom(zoom_widget->get_zoom() * p_zoom_factor);
}
_zoom_on_position(zoom_widget->get_zoom(), p_origin);
}
@ -3868,7 +3836,7 @@ void CanvasItemEditor::_update_editor_settings() {
context_menu_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("ContextualToolbar"), SNAME("EditorStyles")));
panner->setup((ViewPanner::ControlScheme)EDITOR_GET("editors/panning/2d_editor_panning_scheme").operator int(), ED_GET_SHORTCUT("canvas_item_editor/pan_view"), bool(EDITOR_GET("editors/panning/simple_panning")));
pan_speed = int(EDITOR_GET("editors/panning/2d_editor_pan_speed"));
panner->set_scroll_speed(EDITOR_GET("editors/panning/2d_editor_pan_speed"));
warped_panning = bool(EDITOR_GET("editors/panning/warped_mouse_panning"));
}
@ -5059,7 +5027,7 @@ CanvasItemEditor::CanvasItemEditor() {
zoom_widget->connect("zoom_changed", callable_mp(this, &CanvasItemEditor::_update_zoom));
panner.instantiate();
panner->set_callbacks(callable_mp(this, &CanvasItemEditor::_scroll_callback), callable_mp(this, &CanvasItemEditor::_pan_callback), callable_mp(this, &CanvasItemEditor::_zoom_callback));
panner->set_callbacks(callable_mp(this, &CanvasItemEditor::_pan_callback), callable_mp(this, &CanvasItemEditor::_zoom_callback));
viewport = memnew(CanvasItemEditorViewport(this));
viewport_scrollable->add_child(viewport);

6
editor/plugins/canvas_item_editor_plugin.h
View File

@ -363,10 +363,8 @@ private:
Ref<ViewPanner> panner;
bool warped_panning = true;
int pan_speed = 20;
void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec);
void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event);
void _zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event);
bool _is_node_locked(const Node *p_node) const;
bool _is_node_movable(const Node *p_node, bool p_popup_warning = false);

16
editor/plugins/polygon_2d_editor_plugin.cpp
View File

@ -939,21 +939,13 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
}
}
void Polygon2DEditor::_uv_scroll_callback(Vector2 p_scroll_vec, bool p_alt) {
_uv_pan_callback(-p_scroll_vec * 32);
}
void Polygon2DEditor::_uv_pan_callback(Vector2 p_scroll_vec) {
void Polygon2DEditor::_uv_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {
uv_hscroll->set_value(uv_hscroll->get_value() - p_scroll_vec.x);
uv_vscroll->set_value(uv_vscroll->get_value() - p_scroll_vec.y);
}
void Polygon2DEditor::_uv_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
if (p_scroll_vec.y < 0) {
uv_zoom->set_value(uv_zoom->get_value() / (1 - (0.1 * Math::abs(p_scroll_vec.y))));
} else {
uv_zoom->set_value(uv_zoom->get_value() * (1 - (0.1 * Math::abs(p_scroll_vec.y))));
}
void Polygon2DEditor::_uv_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
uv_zoom->set_value(uv_zoom->get_value() * p_zoom_factor);
}
void Polygon2DEditor::_uv_scroll_changed(real_t) {
@ -1478,7 +1470,7 @@ Polygon2DEditor::Polygon2DEditor() {
bone_scroll->add_child(bone_scroll_vb);
uv_panner.instantiate();
uv_panner->set_callbacks(callable_mp(this, &Polygon2DEditor::_uv_scroll_callback), callable_mp(this, &Polygon2DEditor::_uv_pan_callback), callable_mp(this, &Polygon2DEditor::_uv_zoom_callback));
uv_panner->set_callbacks(callable_mp(this, &Polygon2DEditor::_uv_pan_callback), callable_mp(this, &Polygon2DEditor::_uv_zoom_callback));
uv_edit_draw->connect("draw", callable_mp(this, &Polygon2DEditor::_uv_draw));
uv_edit_draw->connect("gui_input", callable_mp(this, &Polygon2DEditor::_uv_input));

5
editor/plugins/polygon_2d_editor_plugin.h
View File

@ -90,9 +90,8 @@ class Polygon2DEditor : public AbstractPolygon2DEditor {
TextureRect *uv_icon_zoom = nullptr;
Ref<ViewPanner> uv_panner;
void _uv_scroll_callback(Vector2 p_scroll_vec, bool p_alt);
void _uv_pan_callback(Vector2 p_scroll_vec);
void _uv_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
void _uv_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event);
void _uv_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event);
VBoxContainer *bone_scroll_main_vb = nullptr;
ScrollContainer *bone_scroll = nullptr;

16
editor/plugins/texture_region_editor_plugin.cpp
View File

@ -620,22 +620,14 @@ void TextureRegionEditor::_region_input(const Ref<InputEvent> &p_input) {
}
}
void TextureRegionEditor::_scroll_callback(Vector2 p_scroll_vec, bool p_alt) {
_pan_callback(-p_scroll_vec * 32);
}
void TextureRegionEditor::_pan_callback(Vector2 p_scroll_vec) {
void TextureRegionEditor::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {
p_scroll_vec /= draw_zoom;
hscroll->set_value(hscroll->get_value() - p_scroll_vec.x);
vscroll->set_value(vscroll->get_value() - p_scroll_vec.y);
}
void TextureRegionEditor::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
if (p_scroll_vec.y < 0) {
_zoom_on_position(draw_zoom * ((0.95 + (0.05 * Math::abs(p_scroll_vec.y))) / 0.95), p_origin);
} else {
_zoom_on_position(draw_zoom * (1 - (0.05 * Math::abs(p_scroll_vec.y))), p_origin);
}
void TextureRegionEditor::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
_zoom_on_position(draw_zoom * p_zoom_factor, p_origin);
}
void TextureRegionEditor::_scroll_changed(float) {
@ -1169,7 +1161,7 @@ TextureRegionEditor::TextureRegionEditor() {
hb_grid->hide();
panner.instantiate();
panner->set_callbacks(callable_mp(this, &TextureRegionEditor::_scroll_callback), callable_mp(this, &TextureRegionEditor::_pan_callback), callable_mp(this, &TextureRegionEditor::_zoom_callback));
panner->set_callbacks(callable_mp(this, &TextureRegionEditor::_pan_callback), callable_mp(this, &TextureRegionEditor::_zoom_callback));
edit_draw = memnew(Panel);
vb->add_child(edit_draw);

5
editor/plugins/texture_region_editor_plugin.h
View File

@ -103,9 +103,8 @@ class TextureRegionEditor : public AcceptDialog {
bool request_center = false;
Ref<ViewPanner> panner;
void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec);
void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event);
void _zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event);
void _set_snap_mode(int p_mode);
void _set_snap_off_x(float p_val);

12
editor/plugins/tiles/tile_atlas_view.cpp
View File

@ -47,18 +47,14 @@ void TileAtlasView::gui_input(const Ref<InputEvent> &p_event) {
}
}
void TileAtlasView::_scroll_callback(Vector2 p_scroll_vec, bool p_alt) {
_pan_callback(-p_scroll_vec * 32);
}
void TileAtlasView::_pan_callback(Vector2 p_scroll_vec) {
void TileAtlasView::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {
panning += p_scroll_vec;
_update_zoom_and_panning(true);
emit_signal(SNAME("transform_changed"), zoom_widget->get_zoom(), panning);
}
void TileAtlasView::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
zoom_widget->set_zoom_by_increments(-p_scroll_vec.y * 2);
void TileAtlasView::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
zoom_widget->set_zoom(zoom_widget->get_zoom() * p_zoom_factor);
_update_zoom_and_panning(true);
emit_signal(SNAME("transform_changed"), zoom_widget->get_zoom(), panning);
}
@ -583,7 +579,7 @@ TileAtlasView::TileAtlasView() {
add_child(button_center_view);
panner.instantiate();
panner->set_callbacks(callable_mp(this, &TileAtlasView::_scroll_callback), callable_mp(this, &TileAtlasView::_pan_callback), callable_mp(this, &TileAtlasView::_zoom_callback));
panner->set_callbacks(callable_mp(this, &TileAtlasView::_pan_callback), callable_mp(this, &TileAtlasView::_zoom_callback));
panner->set_enable_rmb(true);
center_container = memnew(CenterContainer);

5
editor/plugins/tiles/tile_atlas_view.h
View File

@ -65,9 +65,8 @@ private:
virtual void gui_input(const Ref<InputEvent> &p_event) override;
Ref<ViewPanner> panner;
void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec);
void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event);
void _zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event);
HashMap<Vector2, HashMap<int, Rect2i>> alternative_tiles_rect_cache;
void _update_alternative_tiles_rect_cache();

28
scene/gui/graph_edit.cpp
View File

@ -1380,34 +1380,15 @@ void GraphEdit::gui_input(const Ref<InputEvent> &p_ev) {
accept_event();
}
}
Ref<InputEventMagnifyGesture> magnify_gesture = p_ev;
if (magnify_gesture.is_valid()) {
set_zoom_custom(zoom * magnify_gesture->get_factor(), magnify_gesture->get_position());
}
Ref<InputEventPanGesture> pan_gesture = p_ev;
if (pan_gesture.is_valid()) {
h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
}
}
void GraphEdit::_scroll_callback(Vector2 p_scroll_vec, bool p_alt) {
if (p_scroll_vec.x != 0) {
h_scroll->set_value(h_scroll->get_value() + (h_scroll->get_page() * Math::abs(p_scroll_vec.x) / 8) * SIGN(p_scroll_vec.x));
} else {
v_scroll->set_value(v_scroll->get_value() + (v_scroll->get_page() * Math::abs(p_scroll_vec.y) / 8) * SIGN(p_scroll_vec.y));
}
}
void GraphEdit::_pan_callback(Vector2 p_scroll_vec) {
void GraphEdit::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {
h_scroll->set_value(h_scroll->get_value() - p_scroll_vec.x);
v_scroll->set_value(v_scroll->get_value() - p_scroll_vec.y);
}
void GraphEdit::_zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt) {
set_zoom_custom(p_scroll_vec.y < 0 ? zoom * zoom_step : zoom / zoom_step, p_origin);
void GraphEdit::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
set_zoom_custom(zoom * p_zoom_factor, p_origin);
}
void GraphEdit::set_connection_activity(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port, float p_activity) {
@ -1502,6 +1483,7 @@ void GraphEdit::set_zoom_step(float p_zoom_step) {
}
zoom_step = p_zoom_step;
panner->set_scroll_zoom_factor(zoom_step);
}
float GraphEdit::get_zoom_step() const {
@ -2421,7 +2403,7 @@ GraphEdit::GraphEdit() {
zoom_max = (1 * Math::pow(zoom_step, 4));
panner.instantiate();
panner->set_callbacks(callable_mp(this, &GraphEdit::_scroll_callback), callable_mp(this, &GraphEdit::_pan_callback), callable_mp(this, &GraphEdit::_zoom_callback));
panner->set_callbacks(callable_mp(this, &GraphEdit::_pan_callback), callable_mp(this, &GraphEdit::_zoom_callback));
top_layer = memnew(GraphEditFilter(this));
add_child(top_layer, false, INTERNAL_MODE_BACK);

5
scene/gui/graph_edit.h
View File

@ -129,9 +129,8 @@ private:
Ref<ViewPanner> panner;
bool warped_panning = true;
void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec);
void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
void _pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event);
void _zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event);
bool arrange_nodes_button_hidden = false;

84
scene/gui/view_panner.cpp
View File

@ -43,36 +43,42 @@ bool ViewPanner::gui_input(const Ref<InputEvent> &p_event, Rect2 p_canvas_rect)
if (scroll_vec != Vector2() && mb->is_pressed()) {
if (control_scheme == SCROLL_PANS) {
if (mb->is_ctrl_pressed()) {
scroll_vec.y *= mb->get_factor();
callback_helper(zoom_callback, varray(scroll_vec, mb->get_position(), mb->is_alt_pressed()));
// Compute the zoom factor.
float zoom_factor = mb->get_factor() <= 0 ? 1.0 : mb->get_factor();
zoom_factor = ((scroll_zoom_factor - 1.0) * zoom_factor) + 1.0;
float zoom = (scroll_vec.x + scroll_vec.y) > 0 ? 1.0 / scroll_zoom_factor : scroll_zoom_factor;
callback_helper(zoom_callback, varray(zoom, mb->get_position(), p_event));
return true;
} else {
Vector2 panning;
if (mb->is_shift_pressed()) {
panning.x += mb->get_factor() * scroll_vec.y;
panning.y += mb->get_factor() * scroll_vec.x;
} else {
panning.y += mb->get_factor() * scroll_vec.y;
panning.x += mb->get_factor() * scroll_vec.x;
Vector2 panning = scroll_vec * mb->get_factor();
if (pan_axis == PAN_AXIS_HORIZONTAL) {
panning = Vector2(panning.x + panning.y, 0);
} else if (pan_axis == PAN_AXIS_VERTICAL) {
panning = Vector2(0, panning.x + panning.y);
} else if (mb->is_shift_pressed()) {
panning = Vector2(panning.y, panning.x);
}
callback_helper(scroll_callback, varray(panning, mb->is_alt_pressed()));
callback_helper(pan_callback, varray(-panning * scroll_speed, p_event));
return true;
}
} else {
if (mb->is_ctrl_pressed()) {
Vector2 panning;
if (mb->is_shift_pressed()) {
panning.x += mb->get_factor() * scroll_vec.y;
panning.y += mb->get_factor() * scroll_vec.x;
} else {
panning.y += mb->get_factor() * scroll_vec.y;
panning.x += mb->get_factor() * scroll_vec.x;
Vector2 panning = scroll_vec * mb->get_factor();
if (pan_axis == PAN_AXIS_HORIZONTAL) {
panning = Vector2(panning.x + panning.y, 0);
} else if (pan_axis == PAN_AXIS_VERTICAL) {
panning = Vector2(0, panning.x + panning.y);
} else if (mb->is_shift_pressed()) {
panning = Vector2(panning.y, panning.x);
}
callback_helper(scroll_callback, varray(panning, mb->is_alt_pressed()));
callback_helper(pan_callback, varray(-panning * scroll_speed, p_event));
return true;
} else if (!mb->is_shift_pressed()) {
scroll_vec.y *= mb->get_factor();
callback_helper(zoom_callback, varray(scroll_vec, mb->get_position(), mb->is_alt_pressed()));
// Compute the zoom factor.
float zoom_factor = mb->get_factor() <= 0 ? 1.0 : mb->get_factor();
zoom_factor = ((scroll_zoom_factor - 1.0) * zoom_factor) + 1.0;
float zoom = (scroll_vec.x + scroll_vec.y) > 0 ? 1.0 / scroll_zoom_factor : scroll_zoom_factor;
callback_helper(zoom_callback, varray(zoom, mb->get_position(), p_event));
return true;
}
}
@ -102,14 +108,31 @@ bool ViewPanner::gui_input(const Ref<InputEvent> &p_event, Rect2 p_canvas_rect)
if (mm.is_valid()) {
if (is_dragging) {
if (p_canvas_rect != Rect2()) {
callback_helper(pan_callback, varray(Input::get_singleton()->warp_mouse_motion(mm, p_canvas_rect)));
callback_helper(pan_callback, varray(Input::get_singleton()->warp_mouse_motion(mm, p_canvas_rect), p_event));
} else {
callback_helper(pan_callback, varray(mm->get_relative()));
callback_helper(pan_callback, varray(mm->get_relative(), p_event));
}
return true;
}
}
Ref<InputEventMagnifyGesture> magnify_gesture = p_event;
if (magnify_gesture.is_valid()) {
// Zoom gesture
callback_helper(zoom_callback, varray(magnify_gesture->get_factor(), magnify_gesture->get_position(), p_event));
return true;
}
Ref<InputEventPanGesture> pan_gesture = p_event;
if (pan_gesture.is_valid()) {
callback_helper(pan_callback, varray(-pan_gesture->get_delta(), p_event));
}
Ref<InputEventScreenDrag> screen_drag = p_event;
if (screen_drag.is_valid()) {
callback_helper(pan_callback, varray(screen_drag->get_relative(), p_event));
}
Ref<InputEventKey> k = p_event;
if (k.is_valid()) {
if (pan_view_shortcut.is_valid() && pan_view_shortcut->matches_event(k)) {
@ -140,8 +163,7 @@ void ViewPanner::callback_helper(Callable p_callback, Vector<Variant> p_args) {
p_callback.callp(argptr, p_args.size(), result, ce);
}
void ViewPanner::set_callbacks(Callable p_scroll_callback, Callable p_pan_callback, Callable p_zoom_callback) {
scroll_callback = p_scroll_callback;
void ViewPanner::set_callbacks(Callable p_pan_callback, Callable p_zoom_callback) {
pan_callback = p_pan_callback;
zoom_callback = p_zoom_callback;
}
@ -163,6 +185,20 @@ void ViewPanner::set_simple_panning_enabled(bool p_enabled) {
simple_panning_enabled = p_enabled;
}
void ViewPanner::set_scroll_speed(int p_scroll_speed) {
ERR_FAIL_COND(p_scroll_speed <= 0);
scroll_speed = p_scroll_speed;
}
void ViewPanner::set_scroll_zoom_factor(float p_scroll_zoom_factor) {
ERR_FAIL_COND(p_scroll_zoom_factor <= 1.0);
scroll_zoom_factor = p_scroll_zoom_factor;
}
void ViewPanner::set_pan_axis(PanAxis p_pan_axis) {
pan_axis = p_pan_axis;
}
void ViewPanner::setup(ControlScheme p_scheme, Ref<Shortcut> p_shortcut, bool p_simple_panning) {
set_control_scheme(p_scheme);
set_pan_shortcut(p_shortcut);

16
scene/gui/view_panner.h
View File

@ -45,7 +45,17 @@ public:
SCROLL_PANS,
};
enum PanAxis {
PAN_AXIS_BOTH,
PAN_AXIS_HORIZONTAL,
PAN_AXIS_VERTICAL,
};
private:
int scroll_speed = 32;
float scroll_zoom_factor = 1.1;
PanAxis pan_axis = PAN_AXIS_BOTH;
bool is_dragging = false;
bool pan_key_pressed = false;
bool force_drag = false;
@ -55,7 +65,6 @@ private:
Ref<Shortcut> pan_view_shortcut;
Callable scroll_callback;
Callable pan_callback;
Callable zoom_callback;
@ -63,11 +72,14 @@ private:
ControlScheme control_scheme = SCROLL_ZOOMS;
public:
void set_callbacks(Callable p_scroll_callback, Callable p_pan_callback, Callable p_zoom_callback);
void set_callbacks(Callable p_pan_callback, Callable p_zoom_callback);
void set_control_scheme(ControlScheme p_scheme);
void set_enable_rmb(bool p_enable);
void set_pan_shortcut(Ref<Shortcut> p_shortcut);
void set_simple_panning_enabled(bool p_enabled);
void set_scroll_speed(int p_scroll_speed);
void set_scroll_zoom_factor(float p_scroll_zoom_factor);
void set_pan_axis(PanAxis p_pan_axis);
void setup(ControlScheme p_scheme, Ref<Shortcut> p_shortcut, bool p_simple_panning);