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Graphic patch - new UGLWidget creates only on first show or when visible

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Пелипенко Иван
2021-11-19 20:19:58 +03:00
parent af300fe3f9
commit 93ffd99b0c
2 changed files with 32 additions and 8 deletions
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23
libs/graphic/graphic.cpp
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@@ -216,6 +216,21 @@ void Graphic::resizeEvent(QResizeEvent *) {
}
void Graphic::showEvent(QShowEvent *) {
if (need_createGL && !canvas_gl) {
//qDebug() << "create GL on show";
canvas_gl = new UGLWidget();
ui->layoutCanvas->addWidget(canvas_gl);
connect(canvas_gl, SIGNAL(paintSignal()), this, SLOT(canvasPaintEvent()));
prepareCanvas(canvas_gl);
ui->canvas_raster->hide();
canvas_gl->show();
canvas = canvas_gl;
}
need_createGL = false;
}
void Graphic::timerEvent(QTimerEvent * ) {
pause_phase += 0.02;
if (pause_phase > 1.)
@@ -930,16 +945,24 @@ void Graphic::exportGraphics(QString filename) {
void Graphic::setOpenGL(bool on) {
#ifdef HAS_GL
isOGL = on;
need_createGL = false;
if (on && !m_fakeGL) {
if (!canvas_gl) {
if (!isVisible())
need_createGL = true;
else {
//qDebug() << "create GL on setter";
canvas_gl = new UGLWidget();
ui->layoutCanvas->addWidget(canvas_gl);
connect(canvas_gl, SIGNAL(paintSignal()), this, SLOT(canvasPaintEvent()));
prepareCanvas(canvas_gl);
}
}
if (canvas_gl) {
ui->canvas_raster->hide();
canvas_gl->show();
canvas = canvas_gl;
}
} else {
if (canvas_gl)
canvas_gl->hide();

3
libs/graphic/graphic.h
View File

@@ -346,6 +346,7 @@ public slots:
protected:
virtual void changeEvent(QEvent * e);
virtual void resizeEvent(QResizeEvent * );
virtual void showEvent(QShowEvent * );
virtual QSize sizeHint() const {return QSize(400, 300);}
virtual void timerEvent(QTimerEvent * );
virtual bool eventFilter(QObject * o, QEvent * e);
@@ -415,7 +416,7 @@ protected:
double gridx, gridy, history, visible_time, inc_x, grid_numbers_x, grid_numbers_y, LN10;
double eminx, eminy, emaxx, emaxy, pause_phase, gesture_angle;
int lastw, lasth, min_repaint_int, timer_pause, thick;
bool aalias, aupdate, grid, guides, isFit, isOGL, isHover, bufferActive, cancel, pause_, gestures, m_LODOptimization, m_fakeGL;
bool aalias, aupdate, grid, guides, isFit, isOGL, isHover, bufferActive, cancel, pause_, gestures, m_LODOptimization, m_fakeGL, need_createGL;
bool hasLblX, hasLblY, navigation, only_expand_y, only_expand_x, is_lines_update, leg_update, visible_update, fullscr, need_mouse_pan;
protected slots: