mirror of
https://git.code.sf.net/p/quake/quakeforge
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134 lines
3.5 KiB
C
134 lines
3.5 KiB
C
/*
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imui.h
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Immediate mode user interface
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Copyright (C) 2023 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2023/07/01
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __QF_ui_imui_h
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#define __QF_ui_imui_h
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typedef struct imui_ctx_s imui_ctx_t;
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struct canvas_system_s;
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struct IE_event_s;
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enum {
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imui_percent_x, ///< int
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imui_percent_y, ///< int
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imui_comp_count
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};
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extern const struct component_s imui_components[imui_comp_count];
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typedef enum {
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imui_size_none,
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imui_size_pixels,
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imui_size_fittext,
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imui_size_percent,
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imui_size_fitchildren,
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imui_size_expand,
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} imui_size_t;
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typedef union imui_color_s {
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struct {
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uint32_t normal;
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uint32_t hot;
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uint32_t active;
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};
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uint32_t color[3];
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} imui_color_t;
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typedef struct imui_style_s {
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imui_color_t background;
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imui_color_t foreground;
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imui_color_t text;
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} imui_style_t;
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typedef struct imui_window_s {
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const char *name;
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int xpos;
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int ypos;
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int xlen;
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int ylen;
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bool is_open;
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bool is_collapsed;
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} imui_window_t;
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imui_ctx_t *IMUI_NewContext (struct canvas_system_s canvas_sys,
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const char *font, float fontsize);
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void IMUI_DestroyContext (imui_ctx_t *ctx);
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void IMUI_SetVisible (imui_ctx_t *ctx, bool visible);
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void IMUI_SetSize (imui_ctx_t *ctx, int xlen, int ylen);
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void IMUI_ProcessEvent (imui_ctx_t *ctx, const struct IE_event_s *ie_event);
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void IMUI_BeginFrame (imui_ctx_t *ctx);
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void IMUI_Draw (imui_ctx_t *ctx);
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void IMUI_PushLayout (imui_ctx_t *ctx, bool vertical);
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void IMUI_PopLayout (imui_ctx_t *ctx);
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void IMUI_StartWindow (imui_ctx_t *ctx, imui_window_t *window);
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void IMUI_EndWindow (imui_ctx_t *ctx);
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bool IMUI_Button (imui_ctx_t *ctx, const char *label);
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bool IMUI_Checkbox (imui_ctx_t *ctx, bool *flag, const char *label);
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void IMUI_Radio (imui_ctx_t *ctx, int *curvalue, int value, const char *label);
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void IMUI_Slider (imui_ctx_t *ctx, float *value, float minval, float maxval,
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const char *label);
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void IMUI_FlexibleSpace (imui_ctx_t *ctx);
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#define IMUI_DeferLoop(begin, end) \
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for (int _i_ = ((begin), 0); !_i_; _i_++, (end))
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// #define IMUI_context to an imui_ctx_t * variable
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#define UI_Button(label) \
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IMUI_Button(IMUI_context, label)
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#define UI_Checkbox(flag, label) \
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IMUI_Checkbox(IMUI_context, flag, label)
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#define UI_Radio(state, value, label) \
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IMUI_Radio(IMUI_context, state, value, label)
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#define UI_Slider(value, minval, maxval, label) \
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IMUI_Slider(IMUI_context, value, minval, maxval, label)
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#define UI_FlexibleSpace() \
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IMUI_FlexibleSpace(IMUI_context)
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#define UI_Layout(vertical) \
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IMUI_DeferLoop (IMUI_PushLayout (IMUI_context, vertical), \
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IMUI_PopLayout (IMUI_context ))
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#define UI_Window(window) \
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IMUI_DeferLoop (IMUI_StartWindow (IMUI_context, window), \
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IMUI_EndWindow (IMUI_context))
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#define UI_Horizontal UI_Layout(false)
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#define UI_Vertical UI_Layout(true)
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#endif//__QF_ui_imui_h
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