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feat(ncurses): event-driven scrolling & font styling

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- Update `renderers/ncurses/clay_renderer_ncurses.c`:
  - Export `CLAY_NCURSES_KEY_SCROLL_UP` and `CLAY_NCURSES_KEY_SCROLL_DOWN` key codes.
  - Modify `Clay_Ncurses_ProcessInput` to map mouse wheel events (`BUTTON4`, `BUTTON5`) to these key codes.
  - Update `Clay_Ncurses_OnClick` to trigger on `CLAY_POINTER_DATA_PRESSED_THIS_FRAME` for immediate feedback.

- Update `examples/ncurses-example/main.c`:
  - Handle `CLAY_NCURSES_KEY_SCROLL_UP/DOWN` in `App_ProcessInput` to drive `_appState.scrollDelta`.
  - Simplify `HandleHelpToggleClick` to toggle visibility directly.
  - Apply bold and underline font styles to sidebar items.
  - Convert input processing to a `while` loop to process all pending events per frame.
This commit is contained in:
Seintian 2025-12-29 20:33:20 +01:00
parent c700104760
commit e89f3d15e9
3 changed files with 68 additions and 19 deletions
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16
examples/ncurses-example/main.c
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@ -77,9 +77,7 @@ static AppState _appState = {
// -------------------------------------------------------------------------------------------------
void HandleHelpToggleClick(Clay_ElementId elementId, Clay_PointerData pointerInfo, void *userData) {
if (pointerInfo.state == CLAY_POINTER_DATA_RELEASED_THIS_FRAME) {
_appState.isHelpModalVisible = !_appState.isHelpModalVisible;
}
_appState.isHelpModalVisible = !_appState.isHelpModalVisible;
}
// -------------------------------------------------------------------------------------------------
@ -94,8 +92,8 @@ void HandleHelpToggleClick(Clay_ElementId elementId, Clay_PointerData pointerInf
void App_ProcessInput() {
_appState.scrollDelta = 0.0f;
int key = Clay_Ncurses_ProcessInput(stdscr);
if (key != ERR) {
int key;
while ((key = Clay_Ncurses_ProcessInput(stdscr)) != ERR) {
switch (key) {
case 'q':
case 'Q':
@ -111,9 +109,11 @@ void App_ProcessInput() {
_appState.isHelpModalVisible = !_appState.isHelpModalVisible;
break;
case KEY_UP:
case CLAY_NCURSES_KEY_SCROLL_UP:
_appState.scrollDelta += DEFAULT_SCROLL_SENSITIVITY;
break;
case KEY_DOWN:
case CLAY_NCURSES_KEY_SCROLL_DOWN:
_appState.scrollDelta -= DEFAULT_SCROLL_SENSITIVITY;
break;
}
@ -237,7 +237,7 @@ void UI_Sidebar() {
.cornerRadius = { .topLeft = 1 },
.border = { .color = COLOR_ACCENT_RED, .width = {2, 2, 2, 2} }
}) {
CLAY_TEXT(CLAY_STRING(" > TL Round"), CLAY_TEXT_CONFIG({ .textColor = COLOR_ACCENT_RED }));
CLAY_TEXT(CLAY_STRING(" > TL BOLD"), CLAY_TEXT_CONFIG({ .textColor = COLOR_ACCENT_RED, .fontId = CLAY_NCURSES_FONT_BOLD }));
}
CLAY(CLAY_ID("SidebarItemMixed2"), {
@ -246,7 +246,7 @@ void UI_Sidebar() {
.cornerRadius = { .topLeft = 1, .bottomRight = 1 },
.border = { .color = {100, 255, 100, 255}, .width = {2, 2, 2, 2} }
}) {
CLAY_TEXT(CLAY_STRING(" > Diagonal"), CLAY_TEXT_CONFIG({ .textColor = {100, 255, 100, 255} }));
CLAY_TEXT(CLAY_STRING(" > Diag Under"), CLAY_TEXT_CONFIG({ .textColor = {100, 255, 100, 255}, .fontId = CLAY_NCURSES_FONT_UNDERLINE }));
}
CLAY(CLAY_ID("SidebarItemMixed3"), {
@ -255,7 +255,7 @@ void UI_Sidebar() {
.cornerRadius = { .topLeft = 1, .topRight = 1 },
.border = { .color = COLOR_ACCENT_BLUE, .width = {2, 2, 2, 2} }
}) {
CLAY_TEXT(CLAY_STRING(" > Top Round"), CLAY_TEXT_CONFIG({ .textColor = COLOR_ACCENT_BLUE }));
CLAY_TEXT(CLAY_STRING(" > Top Bold Und"), CLAY_TEXT_CONFIG({ .textColor = COLOR_ACCENT_BLUE, .fontId = CLAY_NCURSES_FONT_BOLD | CLAY_NCURSES_FONT_UNDERLINE }));
}
}
}