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Add new option to zoom sliding two fingers on OS X trackpad
It was requested here: http://steamcommunity.com/app/431730/discussions/2/357286663677659387/
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@ -97,6 +97,7 @@
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</section>
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<section id="editor" text="Editor">
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<option id="zoom_with_wheel" type="bool" default="true" migrate="Options.ZoomWithMouseWheel" />
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<option id="zoom_with_slide" type="bool" default="false" />
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<option id="zoom_from_center_with_wheel" type="bool" default="false" />
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<option id="zoom_from_center_with_keys" type="bool" default="false" />
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<option id="show_scrollbars" type="bool" default="true" migrate="Options.ShowScrollbars" />
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@ -59,6 +59,7 @@
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<vbox id="section_editor">
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<separator text="Editor" horizontal="true" />
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<check text="Zoom with scroll wheel" id="wheel_zoom" />
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<check text="Zoom sliding two fingers up or down" id="slide_zoom" />
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<check text="Zoom from center with scroll wheel" id="zoom_from_center_with_wheel" />
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<check text="Zoom from center with keys" id="zoom_from_center_with_keys" />
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<check text="Show scroll-bars in sprite editor" id="show_scrollbars" tooltip="Show scroll-bars in all sprite editors." />
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@ -153,6 +153,13 @@ public:
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// Zoom with Scroll Wheel
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wheelZoom()->setSelected(m_pref.editor.zoomWithWheel());
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// Zoom sliding two fingers
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#if __APPLE__
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slideZoom()->setSelected(m_pref.editor.zoomWithSlide());
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#else
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slideZoom()->setVisible(false);
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#endif
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// Checked background size
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checkedBgSize()->addItem("16x16");
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checkedBgSize()->addItem("8x8");
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@ -214,6 +221,9 @@ public:
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m_pref.editor.zoomFromCenterWithKeys(zoomFromCenterWithKeys()->isSelected());
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m_pref.editor.showScrollbars(showScrollbars()->isSelected());
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m_pref.editor.zoomWithWheel(wheelZoom()->isSelected());
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#if __APPLE__
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m_pref.editor.zoomWithSlide(slideZoom()->isSelected());
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#endif
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m_pref.editor.rightClickMode(static_cast<app::gen::RightClickMode>(rightClickBehavior()->getSelectedItemIndex()));
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m_pref.editor.cursorColor(m_cursorColor->getColor());
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m_pref.editor.brushPreview(static_cast<app::gen::BrushPreview>(brushPreview()->getSelectedItemIndex()));
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@ -36,7 +36,8 @@ enum WHEEL_ACTION { WHEEL_NONE,
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bool StateWithWheelBehavior::onMouseWheel(Editor* editor, MouseMessage* msg)
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{
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double dz = msg->wheelDelta().x + msg->wheelDelta().y;
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gfx::Point delta = msg->wheelDelta();
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double dz = delta.x + delta.y;
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WHEEL_ACTION wheelAction = WHEEL_NONE;
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bool scrollBigSteps = false;
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@ -50,21 +51,40 @@ bool StateWithWheelBehavior::onMouseWheel(Editor* editor, MouseMessage* msg)
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// Normal behavior: mouse wheel zooms If the message is from a
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// precise wheel i.e. a trackpad/touch-like device, we scroll by
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// default.
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else if (Preferences::instance().editor.zoomWithWheel() &&
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!msg->preciseWheel()) {
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else if (Preferences::instance().editor.zoomWithWheel() && !msg->preciseWheel()) {
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if (msg->ctrlPressed())
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wheelAction = WHEEL_FRAME;
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else if (msg->wheelDelta().x != 0 || msg->shiftPressed())
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else if (delta.x != 0 || msg->shiftPressed())
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wheelAction = WHEEL_HSCROLL;
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else
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wheelAction = WHEEL_ZOOM;
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}
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// Zoom sliding two fingers
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else if (Preferences::instance().editor.zoomWithSlide() && msg->preciseWheel()) {
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if (msg->ctrlPressed())
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wheelAction = WHEEL_FRAME;
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else if (std::abs(delta.x) > std::abs(delta.y)) {
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delta.y = 0;
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dz = delta.x;
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wheelAction = WHEEL_HSCROLL;
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}
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else if (msg->shiftPressed()) {
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delta.x = 0;
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dz = delta.y;
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wheelAction = WHEEL_VSCROLL;
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}
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else {
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delta.x = 0;
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dz = delta.y;
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wheelAction = WHEEL_ZOOM;
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}
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}
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// For laptops, it's convenient to that Ctrl+wheel zoom (because
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// it's the "pinch" gesture).
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else {
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if (msg->ctrlPressed())
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wheelAction = WHEEL_ZOOM;
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else if (msg->wheelDelta().x != 0 || msg->shiftPressed())
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else if (delta.x != 0 || msg->shiftPressed())
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wheelAction = WHEEL_HSCROLL;
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else
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wheelAction = WHEEL_VSCROLL;
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@ -131,12 +151,8 @@ bool StateWithWheelBehavior::onMouseWheel(Editor* editor, MouseMessage* msg)
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case WHEEL_VSCROLL: {
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View* view = View::getView(editor);
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gfx::Point scroll = view->viewScroll();
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gfx::Point delta(0, 0);
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if (msg->preciseWheel()) {
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delta = msg->wheelDelta();
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}
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else {
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if (!msg->preciseWheel()) {
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gfx::Rect vp = view->viewportBounds();
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if (wheelAction == WHEEL_HSCROLL) {
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