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[ui] Add a formatted label (like printf)

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Formatted printing is just too handy, and having to use va all the time
is a bit of a pain.
This commit is contained in:
Bill Currie 2023-07-09 12:10:28 +09:00
parent a8b80c4be5
commit f359f47e54
2 changed files with 20 additions and 0 deletions
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4
include/QF/ui/imui.h
View file

@ -99,6 +99,7 @@ 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);
void IMUI_Labelf (imui_ctx_t *ctx, const char *fmt, ...)__attribute__((format(PRINTF,2,3)));
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);
@ -117,6 +118,9 @@ void IMUI_EndWindow (imui_ctx_t *ctx);
#define UI_Label(label) \
IMUI_Label(IMUI_context, label)
#define UI_Labelf(fmt...) \
IMUI_Labelf(IMUI_context, fmt)
#define UI_Button(label) \
IMUI_Button(IMUI_context, label)

16
libs/ui/imui.c
View file

@ -34,6 +34,7 @@
#include <string.h>
#include "QF/darray.h"
#include "QF/dstring.h"
#include "QF/ecs.h"
#include "QF/hash.h"
#include "QF/mathlib.h"
@ -100,6 +101,8 @@ struct imui_ctx_s {
view_t current_parent;
struct DARRAY_TYPE(view_t) parent_stack;
dstring_t *dstr;
uint32_t hot;
uint32_t active;
view_pos_t mouse_active;
@ -188,6 +191,7 @@ IMUI_NewContext (canvas_system_t canvas_sys, const char *font, float fontsize)
.shaper = Shaper_New (),
.root_view = Canvas_GetRootView (canvas_sys, canvas),
.parent_stack = DARRAY_STATIC_INIT (8),
.dstr = dstring_newstr (),
.hot = nullent,
.active = nullent,
.mouse_position = {-1, -1},
@ -237,6 +241,8 @@ IMUI_DestroyContext (imui_ctx_t *ctx)
Font_Free (ctx->font);
}
dstring_delete (ctx->dstr);
Hash_DelTable (ctx->tab);
Hash_DelContext (ctx->hashctx);
Shaper_Delete (ctx->shaper);
@ -805,6 +811,16 @@ IMUI_Label (imui_ctx_t *ctx, const char *label)
add_text (ctx, view, state, 0);
}
void
IMUI_Labelf (imui_ctx_t *ctx, const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
dvsprintf (ctx->dstr, fmt, args);
va_end (args);
IMUI_Label (ctx, ctx->dstr->str);
}
bool
IMUI_Button (imui_ctx_t *ctx, const char *label)
{