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Get ui::Console to a working state.

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This commit is contained in:
Jared Boone 2015-09-26 10:56:57 -07:00
parent 5c31e803c8
commit 5469a3a31d
2 changed files with 50 additions and 22 deletions
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65
firmware/application/ui_console.cpp
View File

@ -26,8 +26,31 @@ using namespace portapack;
namespace ui {
void Console::clear() {
display.fill_rectangle(
screen_rect(),
Color::black()
);
pos = { 0, 0 };
}
void Console::write(const std::string message) {
(void)message;
const Style& s = style();
const Font& font = s.font;
const auto rect = screen_rect();
for(const auto c : message) {
const auto glyph = font.glyph(c);
const auto advance = glyph.advance();
if( (pos.x + advance.x) > rect.width() ) {
crlf();
}
const Point pos_glyph {
static_cast<Coord>(rect.pos.x + pos.x),
display.scroll_area_y(pos.y)
};
display.draw_glyph(pos_glyph, glyph, s.foreground, s.background);
pos.x += advance.x;
}
}
void Console::writeln(const std::string message) {
@ -36,33 +59,37 @@ void Console::writeln(const std::string message) {
}
void Console::paint(Painter& painter) {
// Do nothing.
(void)painter;
/*
if( visible() ) {
const auto r = screen_rect();
display.scroll_set_area(r.top(), r.bottom());
display.scroll_set_position(0);
painter.fill_rectangle(
r,
background
);
} else {
display.scroll_disable();
}
*/
}
void Console::on_show() {
clear();
const auto screen_r = screen_rect();
display.scroll_set_area(screen_r.top(), screen_r.bottom());
}
void Console::on_hide() {
/* TODO: Clear region to eliminate brief flash of content at un-shifted
* position?
*/
display.scroll_disable();
}
void Console::crlf() {
const auto line_height = style().font.line_height();
const Style& s = style();
const auto sr = screen_rect();
const auto line_height = s.font.line_height();
pos.x = 0;
pos.y += line_height;
const int32_t y_excess = pos.y + line_height - size().h;
const int32_t y_excess = pos.y + line_height - sr.height();
if( y_excess > 0 ) {
display.scroll(-line_height);
display.scroll(-y_excess);
pos.y -= y_excess;
const Rect dirty { 0, display.scroll_area_y(pos.y), size().w, line_height };
display.fill_rectangle(dirty, background);
const Rect dirty { sr.left(), display.scroll_area_y(pos.y), sr.width(), line_height };
display.fill_rectangle(dirty, s.background);
}
}

7
firmware/application/ui_console.hpp
View File

@ -38,15 +38,16 @@ public:
{
}
void clear();
void write(const std::string message);
void writeln(const std::string message);
void paint(Painter& painter) override;
void on_show() override;
void on_hide() override;
private:
static constexpr Color background { Color::black() };
static constexpr Color foreground { Color::white() };
Point pos { 0, 0 };
void crlf();