Method input_mouse_button_on_canvas_callback

src/DrawCamera.cpp:171–187

}

void DrawCamera::input_mouse_button_on_canvas_callback(World& w, const InputManager::MouseButtonCallbackArgs& button) {
    if(!smoothMove.occurring && !isTouchTransforming && !w.main.g.gui.cursor_obstructed()) {
        bool newIsAccurateZooming = (w.drawProg.controls.middleClickHeld && w.main.input.pen.isDown && w.main.conf.tabletOptions.zoomWhilePenDownAndButtonHeld) || // Hold middle click (pen button assigned to middle click) while pen is down
                                    (w.drawProg.controls.middleClickHeld && w.main.input.key(InputManager::KEY_GENERIC_LCTRL).held) || // Hold middle click/pen button while holding control
                                    (w.drawProg.controls.leftClickHeld && w.drawProg.drawTool->get_type() == DrawingProgramToolType::ZOOM); // Hold left click while on zoom tool
        if(newIsAccurateZooming && !isAccurateZooming) {
            startZoomMousePos = c.from_space(button.pos);
            startZoomVal = c.inverseScale;
            startZoomCameraPos = c.pos;
        }
        isAccurateZooming = newIsAccurateZooming;

        checks_after_input(w);
    }
    else
        isAccurateZooming = false;
}

void DrawCamera::input_mouse_motion_callback(World& w, const InputManager::MouseMotionCallbackArgs& motion) {
    if(!smoothMove.occurring && !isTouchTransforming) {