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Better scrolling a spacing in the SDL UI

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Lior Halphon 2020-12-26 01:45:03 +02:00
parent 544d39f19d
commit 6d5ce6c54d
1 changed files with 21 additions and 7 deletions
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28
SDL/gui.c
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@ -211,7 +211,7 @@ static void draw_unbordered_text(uint32_t *buffer, unsigned width, unsigned heig
continue; continue;
} }
if (x > width - GLYPH_WIDTH || y == 0 || y - y_offset > 144 - GLYPH_HEIGHT) { if (x > width - GLYPH_WIDTH || y == 0 || y - y_offset > 144 - GLYPH_HEIGHT || y <= y_offset) {
break; break;
} }
@ -1384,9 +1384,17 @@ void run_gui(bool is_running)
unsigned i = 0, y = 24; unsigned i = 0, y = 24;
for (const struct menu_item *item = current_menu; item->string; item++, i++) { for (const struct menu_item *item = current_menu; item->string; item++, i++) {
if (i == current_selection) { if (i == current_selection) {
if (y < scroll) { if (i == 0) {
scroll = y - 4; if (y < scroll) {
goto rerender; scroll = (y - 4) / 12 * 12;
goto rerender;
}
}
else {
if (y < scroll + 24) {
scroll = (y - 24) / 12 * 12;
goto rerender;
}
} }
} }
if (i == current_selection && i == 0 && scroll != 0) { if (i == current_selection && i == 0 && scroll != 0) {
@ -1406,14 +1414,20 @@ void run_gui(bool is_running)
i == current_selection && !item->value_getter ? DECORATION_SELECTION : DECORATION_NONE); i == current_selection && !item->value_getter ? DECORATION_SELECTION : DECORATION_NONE);
y += 12; y += 12;
if (item->value_getter) { if (item->value_getter) {
draw_text_centered(pixels, width, height, y + y_offset, item->value_getter(i), gui_palette_native[3], gui_palette_native[0], draw_text_centered(pixels, width, height, y + y_offset - 1, item->value_getter(i), gui_palette_native[3], gui_palette_native[0],
i == current_selection ? DECORATION_ARROWS : DECORATION_NONE); i == current_selection ? DECORATION_ARROWS : DECORATION_NONE);
y += 12; y += 12;
} }
} }
if (i == current_selection) { if (i == current_selection) {
if (y > scroll + 144) { if (item[1].string) {
scroll = y - 144; if (y > scroll + 120) {
scroll = (y - 120) / 12 * 12;
goto rerender;
}
}
else if (y > scroll + 144) {
scroll = (y - 144) / 12 * 12;
goto rerender; goto rerender;
} }
} }