Method drawSelectionRect

Gui/DopeSheetView.cpp:1620–1658

* @brief DopeSheetViewPrivate::drawSelectionRect * * */

 *
 */
void
DopeSheetViewPrivate::drawSelectionRect() const
{
    running_in_main_thread_and_context(q_ptr);

    // Perform drawing
    {
        GLProtectAttrib a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT | GL_LINE_BIT);

        glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        glEnable(GL_LINE_SMOOTH);
        glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);

        glColor4f(0.3, 0.3, 0.3, 0.2);

        // Draw rect
        glBegin(GL_POLYGON);
        glVertex2f(selectionRect.x1, selectionRect.y1);
        glVertex2f(selectionRect.x1, selectionRect.y2);
        glVertex2f(selectionRect.x2, selectionRect.y2);
        glVertex2f(selectionRect.x2, selectionRect.y1);
        glEnd();

        glLineWidth(1.5 * _screenPixelRatio);

        // Draw outline
        glColor4f(0.5, 0.5, 0.5, 1.);
        glLineWidth(1.5 * _screenPixelRatio);
        glBegin(GL_LINE_LOOP);
        glVertex2f(selectionRect.x1, selectionRect.y1);
        glVertex2f(selectionRect.x1, selectionRect.y2);
        glVertex2f(selectionRect.x2, selectionRect.y2);
        glVertex2f(selectionRect.x2, selectionRect.y1);
        glEnd();

        glCheckError();
    }
}

/**
 * @brief DopeSheetViewPrivate::drawSelectedKeysBRect