/**
* Render the Preview
* @param Cairo::Context cr
* @return Gtk::Window::on_draw(cr)
*/
bool Preview::on_draw(const Cairo::RefPtr<Cairo::Context>& cr)
{
Configuration::Theme theme = Configuration::getTheme();
if (theme.forPreview().enabled()) {
cr->set_source_rgba(
theme.forPreview().background().red,
theme.forPreview().background().green,
theme.forPreview().background().blue,
theme.forPreview().background().alpha);
Utilities::RoundedRectangle(cr, 0, 0, this->get_width(), this->get_height(),
theme.forPreview().roundedRatious());
cr->fill();
}
if (!m_isActive) {
return Gtk::Window::on_draw(cr);
}
if (m_previewtems.size() < 1) {
this->hideMe();
return Gtk::Window::on_draw(cr);
}
int idx = 0;
for (DockItem* item : m_previewtems) {
if (item->m_window == NULL || item->m_xid == 0 || !item->visible)
continue;
int pos_x = 20 + (m_previewWidth * idx);
int pos_y = 16;
int pos_width = m_previewWidth - DEF_PREVIEW_LEFT_MARGING;
int pos_height = 20;
cr->set_source_rgba(
theme.forPreview().foreground().red,
theme.forPreview().foreground().green,
theme.forPreview().foreground().blue,
theme.forPreview().foreground().alpha);
cr->set_line_width(theme.forPreview().lineWith());
if (item->m_imageLoadedRequired)
cr->set_line_width(theme.forPreview().lineWith() + 0.5);
if (theme.getPreviewBinaryValue() == 0) {
Utilities::RoundedRectangle(cr,
DEF_PREVIEW_LEFT_MARGING + (m_previewWidth * idx),
16, m_previewWidth,
m_previewHeight - DEF_PREVIEW_RIGHT_MARGING,
theme.forPreview().roundedRatious());
cr->stroke();
} else {
cr->set_line_width(theme.forPreview().lineWith());
int pos_x = DEF_PREVIEW_LEFT_MARGING + (m_previewWidth * idx);
int y_pos = 16;
int width = m_previewWidth;
int height = m_previewHeight;
int value = theme.getPreviewBinaryValue();
/* Vertical Left*/
int bit = CHECK_BIT(value, 3);
if (bit == 1) {
cr->set_line_width(theme.forPreview().lineWith());
cr->move_to(pos_x, y_pos);
cr->line_to(pos_x, y_pos);
cr->line_to(pos_x, y_pos + (m_previewHeight - DEF_PREVIEW_RIGHT_MARGING));
cr->stroke();
}
/* Top */
bit = CHECK_BIT(value, 2);
if (bit == 1) {
cr->set_line_width(theme.forPreview().lineWith());
cr->move_to(pos_x, y_pos);
cr->line_to(pos_x, y_pos);
cr->line_to(pos_x + (m_previewWidth), y_pos);
cr->stroke();
}
/* Right vertical */
bit = CHECK_BIT(value, 1);
if (bit == 1) {
cr->set_line_width(theme.forPreview().lineWith());
cr->move_to(pos_x + m_previewWidth, y_pos);
cr->line_to(pos_x + m_previewWidth, y_pos);
cr->line_to(pos_x + m_previewWidth, y_pos + (m_previewHeight - DEF_PREVIEW_RIGHT_MARGING));
cr->stroke();
}
bit = CHECK_BIT(value, 0);
if (bit == 1) {
cr->set_line_width(theme.forPreview().lineWith());
cr->move_to(pos_x, y_pos + (m_previewHeight - DEF_PREVIEW_RIGHT_MARGING));
cr->line_to(pos_x, y_pos + (m_previewHeight - DEF_PREVIEW_RIGHT_MARGING));
cr->line_to(pos_x + m_previewWidth, y_pos + (m_previewHeight - DEF_PREVIEW_RIGHT_MARGING));
cr->stroke();
}
}
// TEXT
// draw title and create clipping rectangle
// JG
cr->set_source_rgba(
theme.forPreviewTitle().background().red,
theme.forPreviewTitle().background().green,
theme.forPreviewTitle().background().blue,
theme.forPreviewTitle().foreground().alpha);
cr->rectangle(pos_x, pos_y + 2, pos_width + 2, pos_height);
// cr->clip_preserve();
cr->fill();
// JG
cr->set_source_rgba(
theme.forPreviewTitle().foreground().red,
theme.forPreviewTitle().foreground().green,
theme.forPreviewTitle().foreground().blue,
theme.forPreviewTitle().foreground().alpha);
cr->set_line_width(theme.forPreviewTitle().lineWith());
cr->rectangle(pos_x, pos_y + 2, pos_width + 2, pos_height);
cr->stroke();
// draw title the clipping rectangle
//cr->set_source_rgba(1.0, 1.0, 1.0, 0.0);
cr->rectangle(pos_x, pos_y + 2, pos_width, pos_height);
cr->clip_preserve();
cr->stroke();
cr->set_source_rgba(
theme.forPreviewTitleText().foreground().red,
theme.forPreviewTitleText().foreground().green,
theme.forPreviewTitleText().foreground().blue,
theme.forPreviewTitleText().foreground().alpha);
auto layout = create_pango_layout(item->m_titlename);
layout->set_font_description(font);
//cr->set_source_rgba(1.0, 1.0, 1.0, 1.0); // white text
cr->move_to(pos_x, pos_y + 2);
layout->show_in_cairo_context(cr);
cr->reset_clip(); // Reset the clipping
if (item->m_imageLoadedRequired) {
GdkPixbuf *scaledpb = getScaledPixbuf(item);
if (scaledpb == nullptr) {
continue;
}
// show the loaded image.
showPreview(cr, scaledpb, idx);
// Checks if the image have movement.
if (item->isMovementDetected(scaledpb) && !item->m_isDynamic) {
item->m_isDynamic = true;
}
// if no movement has been detected, means that the image
// is static and we don't need to reload it again
if (++item->m_frames > 3 && !item->m_isDynamic) {
item->m_scaledPixbuf = scaledpb;
item->m_frames = 0;
item->m_imageLoadedRequired = false;
}
// if the image is static do not unreference the scaledpb.
if (item->m_imageLoadedRequired)
g_object_unref(scaledpb);
} else {
// show the loaded static image.
showPreview(cr, item->m_scaledPixbuf, idx);
}
// selector
if (m_currentIndex == idx) {
// rectangle background selector
pos_x = DEF_PREVIEW_LEFT_MARGING + (m_previewWidth * m_currentIndex);
pos_y = 16;
pos_width = m_previewWidth + 1;
pos_height = m_previewHeight - DEF_PREVIEW_RIGHT_MARGING;
if (m_previewtems.size() > 1) {
cr->set_source_rgba(
theme.forPreviewSelector().background().red,
theme.forPreviewSelector().background().green,
theme.forPreviewSelector().background().blue,
theme.forPreviewSelector().background().alpha);
Utilities::RoundedRectangle(cr, pos_x, pos_y, pos_width, pos_height,
theme.forPreviewSelector().roundedRatious());
cr->fill();
}
cr->set_source_rgba(
theme.forPreviewSelector().foreground().red,
theme.forPreviewSelector().foreground().green,
theme.forPreviewSelector().foreground().blue,
theme.forPreviewSelector().foreground().alpha);
cr->set_line_width(theme.forPreviewSelector().lineWith());
if (theme.getPreviewSelectorBinaryValue() == 0) {
Utilities::RoundedRectangle(cr, pos_x, pos_y, pos_width, pos_height,
theme.forPreviewSelector().roundedRatious());
cr->stroke();
} else {
int value = theme.getPreviewSelectorBinaryValue();
// /* Vertical Left*/
int bit = CHECK_BIT(value, 3);
if (bit == 1) {
cr->move_to(pos_x, pos_y);
cr->line_to(pos_x, pos_y);
cr->line_to(pos_x, pos_y + (pos_height));
cr->stroke();
}
/* Top */
bit = CHECK_BIT(value, 2);
if (bit == 1) {
cr->move_to(pos_x, pos_y);
cr->line_to(pos_x, pos_y);
cr->line_to(pos_x + (pos_width), pos_y);
cr->stroke();
}
/* Right vertical */
bit = CHECK_BIT(value, 1);
if (bit == 1) {
cr->move_to(pos_x + pos_width, pos_y);
cr->line_to(pos_x + pos_width, pos_y);
cr->line_to(pos_x + pos_width, pos_y + (m_previewHeight - DEF_PREVIEW_RIGHT_MARGING));
cr->stroke();
}
bit = CHECK_BIT(value, 0);
if (bit == 1) {
cr->move_to(pos_x, pos_y + (m_previewHeight - DEF_PREVIEW_RIGHT_MARGING));
cr->line_to(pos_x, pos_y + (m_previewHeight - DEF_PREVIEW_RIGHT_MARGING));
cr->line_to(pos_x + m_previewWidth, pos_y + (m_previewHeight - DEF_PREVIEW_RIGHT_MARGING));
cr->stroke();
}
}
cr->set_source_rgba(
theme.forPreviewSelectorClose().background().red,
theme.forPreviewSelectorClose().background().green,
theme.forPreviewSelectorClose().background().blue,
theme.forPreviewSelectorClose().background().alpha);
pos_x = (m_previewWidth - 5) + (m_previewWidth * m_currentIndex);
cr->move_to(pos_x + 3, DEF_PREVIEW_RIGHT_MARGING);
cr->rectangle(pos_x, 18, DEF_PREVIEW_LEFT_MARGING, DEF_PREVIEW_LEFT_MARGING + 2);
cr->fill();
cr->set_source_rgba(
theme.forPreviewSelectorClose().foreground().red,
theme.forPreviewSelectorClose().foreground().green,
theme.forPreviewSelectorClose().foreground().blue,
theme.forPreviewSelectorClose().foreground().alpha);
cr->set_line_width(theme.forPreviewSelectorClose().lineWith());
// Close X text
cr->move_to(pos_x + 3, DEF_PREVIEW_RIGHT_MARGING - 1);
cr->show_text("X");
}
idx++;
}
return Gtk::Window::on_draw(cr);
}
