Move widget tree painting to ui::Painter.

Still doesn't seem like the right place, but better than the event dispatcher!
This commit is contained in:
Jared Boone 2015-08-14 21:27:46 -07:00
parent a9bb7c96e5
commit 872c998ff1
3 changed files with 32 additions and 25 deletions

View File

@ -240,30 +240,6 @@ private:
}
}
*/
void paint_widget(ui::Widget* const w) {
if( w->hidden() ) {
// Mark widget (and all children) as invisible.
w->visible(false);
} else {
// Mark this widget as visible and recurse.
w->visible(true);
if( w->dirty() ) {
w->paint(painter);
// Force-paint all children.
for(const auto child : w->children()) {
child->set_dirty();
paint_widget(child);
}
w->set_clean();
} else {
// Selectively paint all children.
for(const auto child : w->children()) {
paint_widget(child);
}
}
}
}
static ui::Widget* touch_widget(ui::Widget* const w, ui::TouchEvent event) {
if( !w->hidden() ) {
@ -311,7 +287,7 @@ private:
void handle_lcd_frame_sync() {
if( ui::is_dirty() ) {
paint_widget(top_widget);
painter.paint_widget(top_widget);
ui::dirty_clear();
}
}

View File

@ -21,6 +21,8 @@
#include "ui_painter.hpp"
#include "ui_widget.hpp"
#include "portapack.hpp"
using namespace portapack;
@ -71,4 +73,29 @@ void Painter::fill_rectangle(const Rect r, const Color c) {
display.fill_rectangle(r, c);
}
void Painter::paint_widget(Widget* const w) {
if( w->hidden() ) {
// Mark widget (and all children) as invisible.
w->visible(false);
} else {
// Mark this widget as visible and recurse.
w->visible(true);
if( w->dirty() ) {
w->paint(*this);
// Force-paint all children.
for(const auto child : w->children()) {
child->set_dirty();
paint_widget(child);
}
w->set_clean();
} else {
// Selectively paint all children.
for(const auto child : w->children()) {
paint_widget(child);
}
}
}
}
} /* namespace ui */

View File

@ -37,6 +37,8 @@ struct Style {
Style invert() const;
};
class Widget;
class Painter {
public:
Painter() { };
@ -51,6 +53,8 @@ public:
void draw_rectangle(const Rect r, const Color c);
void fill_rectangle(const Rect r, const Color c);
void paint_widget(Widget* const w);
private:
void draw_hline(Point p, size_t width, const Color c);
void draw_vline(Point p, size_t height, const Color c);