mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-13 18:37:08 +03:00
103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
struct SELECTION {
|
|
dword start_x, start_y, start_offset;
|
|
dword end_x, end_y, end_offset;
|
|
dword color;
|
|
bool is_active();
|
|
void set_start();
|
|
void set_end();
|
|
void draw();
|
|
void draw_line();
|
|
void cancel();
|
|
bool swap_start_end();
|
|
void normalize();
|
|
void select_all();
|
|
void debug();
|
|
} selection;
|
|
|
|
bool SELECTION::is_active()
|
|
{
|
|
if (start_offset) && (end_offset) && (start_offset != end_offset) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void SELECTION::draw_line(dword x,y,w)
|
|
{
|
|
canvas.DrawBar(x, y - list.first * list.item_h, w, list.item_h, color);
|
|
}
|
|
|
|
void SELECTION::draw(int i)
|
|
{
|
|
if (is_active()) {
|
|
if (start_y == i) && (end_y == i) draw_line(start_x * list.font_w+2, start_y, end_x - start_x * list.font_w);
|
|
else if (start_y == i) draw_line(start_x * list.font_w+2, start_y, list.w -2- calc(start_x * list.font_w));
|
|
else if (end_y == i) draw_line(0, end_y, end_x * list.font_w+2);
|
|
//only for debug:
|
|
//canvas.DrawBar(start_x * list.font_w + 2, start_y * list.item_h, 2, list.item_h, 0x00FF00);
|
|
//canvas.DrawBar(end_x * list.font_w + 0, end_y * list.item_h, 2, list.item_h, 0xFF00FF);
|
|
}
|
|
//DrawCursor
|
|
if (list.cur_y >= list.first) && (list.cur_y <= list.first+list.visible) {
|
|
canvas.DrawBar(list.cur_x * list.font_w + 2, list.cur_y - list.first * list.item_h, 2, list.item_h, theme.cursor);
|
|
}
|
|
}
|
|
|
|
void SELECTION::cancel()
|
|
{
|
|
start_offset = end_offset = lines.get(list.cur_y) + list.cur_x;
|
|
start_x = end_x = list.cur_x;
|
|
start_y = end_y = list.cur_y;
|
|
normalize();
|
|
}
|
|
|
|
void SELECTION::set_start()
|
|
{
|
|
if (selection.is_active()) return;
|
|
start_x = list.cur_x;
|
|
start_y = list.cur_y;
|
|
normalize();
|
|
start_offset = lines.get(start_y) + start_x;
|
|
}
|
|
|
|
:void SELECTION::debug()
|
|
{
|
|
char rez[256];
|
|
sprintf(#rez, "start_x: %d start_y: %d end_x: %d end_y: %d", start_x, start_y, end_x, end_y);
|
|
debugln(#rez);
|
|
}
|
|
|
|
void SELECTION::set_end()
|
|
{
|
|
end_x = list.cur_x;
|
|
end_y = list.cur_y;
|
|
normalize();
|
|
end_offset = lines.get(end_y) + end_x;
|
|
}
|
|
|
|
|
|
void SELECTION::normalize()
|
|
{
|
|
start_x = math.min(start_x, lines.get(start_y+1) - lines.get(start_y));
|
|
end_x = math.min(end_x, lines.get(end_y+1) - lines.get(end_y));
|
|
}
|
|
|
|
void SELECTION::select_all()
|
|
{
|
|
start_y = 0;
|
|
start_x = 0;
|
|
end_y = lines.count-2;
|
|
end_x = lines.get(end_y+1) - lines.get(end_y);
|
|
start_offset = lines.get(start_y) + start_x;
|
|
end_offset = lines.get(end_y) + end_x;
|
|
}
|
|
|
|
bool SELECTION::swap_start_end()
|
|
{
|
|
start_offset >< end_offset;
|
|
start_x >< end_x;
|
|
start_y >< end_y;
|
|
return true;
|
|
}
|