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[ui] Add inactive labels and a style api

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Labels are always good and the style api allows pushing/popping and
modifying the current style.
This commit is contained in:
Bill Currie 2023-07-06 19:34:48 +09:00
parent b58c373f3e
commit d4b11923b9
2 changed files with 56 additions and 0 deletions
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14
include/QF/ui/imui.h
View file

@ -93,6 +93,12 @@ void IMUI_PopLayout (imui_ctx_t *ctx);
void IMUI_Layout_SetXSize (imui_ctx_t *ctx, imui_size_t size, int value);
void IMUI_Layout_SetYSize (imui_ctx_t *ctx, imui_size_t size, int value);
void IMUI_PushStyle (imui_ctx_t *ctx, const imui_style_t *style);
void IMUI_PopStyle (imui_ctx_t *ctx);
void IMUI_Style_Update (imui_ctx_t *ctx, const imui_style_t *style);
void IMUI_Style_Fetch (const imui_ctx_t *ctx, imui_style_t *style);
void IMUI_Label (imui_ctx_t *ctx, const char *label);
bool IMUI_Button (imui_ctx_t *ctx, const char *label);
bool IMUI_Checkbox (imui_ctx_t *ctx, bool *flag, const char *label);
void IMUI_Radio (imui_ctx_t *ctx, int *curvalue, int value, const char *label);
@ -102,11 +108,15 @@ void IMUI_FlexibleSpace (imui_ctx_t *ctx);
void IMUI_StartWindow (imui_ctx_t *ctx, imui_window_t *window);
void IMUI_EndWindow (imui_ctx_t *ctx);
#define IMUI_DeferLoop(begin, end) \
for (int _i_ = ((begin), 0); !_i_; _i_++, (end))
// #define IMUI_context to an imui_ctx_t * variable
#define UI_Label(label) \
IMUI_Label(IMUI_context, label)
#define UI_Button(label) \
IMUI_Button(IMUI_context, label)
@ -130,6 +140,10 @@ void IMUI_EndWindow (imui_ctx_t *ctx);
IMUI_DeferLoop (IMUI_StartWindow (IMUI_context, window), \
IMUI_EndWindow (IMUI_context))
#define UI_Style(style) \
IMUI_DeferLoop (IMUI_PushStyle (IMUI_context, style), \
IMUI_PopStyle (IMUI_context ))
#define UI_Horizontal UI_Layout(false)
#define UI_Vertical UI_Layout(true)

42
libs/ui/imui.c
View file

@ -108,6 +108,7 @@ struct imui_ctx_s {
int unicode;
imui_style_t style;
struct DARRAY_TYPE(imui_style_t) style_stack;
};
static imui_state_t *
@ -185,6 +186,7 @@ IMUI_NewContext (canvas_system_t canvas_sys, const char *font, float fontsize)
.hot = nullent,
.active = nullent,
.mouse_position = {-1, -1},
.style_stack = DARRAY_STATIC_INIT (8),
.style = {
.background = {
.normal = 0x04,
@ -640,6 +642,33 @@ IMUI_Layout_SetYSize (imui_ctx_t *ctx, imui_size_t size, int value)
}
}
void
IMUI_PushStyle (imui_ctx_t *ctx, const imui_style_t *style)
{
DARRAY_APPEND (&ctx->style_stack, ctx->style);
if (style) {
ctx->style = *style;
}
}
void
IMUI_PopStyle (imui_ctx_t *ctx)
{
ctx->style = DARRAY_REMOVE (&ctx->style_stack);
}
void
IMUI_Style_Update (imui_ctx_t *ctx, const imui_style_t *style)
{
ctx->style = *style;
}
void
IMUI_Style_Fetch (const imui_ctx_t *ctx, imui_style_t *style)
{
*style = ctx->style;
}
static bool
check_button_state (imui_ctx_t *ctx, uint32_t entity)
{
@ -752,6 +781,19 @@ set_expand_x (imui_ctx_t *ctx, view_t view, int weight)
*(int *) Ent_AddComponent(view.id, c_percent_x, ctx->csys.reg) = weight;
}
void
IMUI_Label (imui_ctx_t *ctx, const char *label)
{
auto state = imui_get_state (ctx, label);
auto view = View_New (ctx->vsys, ctx->current_parent);
state->entity = view.id;
set_control (ctx, view, true);
set_fill (ctx, view, ctx->style.background.normal);
add_text (ctx, view, state, 0);
}
bool
IMUI_Button (imui_ctx_t *ctx, const char *label)
{