mirror of
https://git.code.sf.net/p/quake/quakeforge
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c2316a4173
It was a right cow to get working at all due to the tangled mess of dependencies between different hierarchies (switching to hierarchies as components helpt), but other that some vertical positioning (paragraphs and descenders), it's working fairly well now (and fairly quick other than I think I need to ensure the shaping cache is used).
234 lines
6.9 KiB
C
234 lines
6.9 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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#include "QF/ui/view.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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struct passage_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_reference, ///< imui_reference_t
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imui_comp_count
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};
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extern const component_t 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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// on a root view, this points to a pseudo-parent
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// on a non-root view, this points to a pseudo-child (layout info is taken from
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// the reference to set the non-root view's size, then that is propagated back
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// to the reference)
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typedef struct imui_reference_s {
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uint32_t ref_id;
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struct imui_ctx_s *ctx; // owns entity if not null
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} imui_reference_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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int group_offset;
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int mode;
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bool is_open;
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bool is_collapsed;
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bool no_collapse;
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bool auto_fit;
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const char *reference;
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grav_t reference_gravity;
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grav_t anchor_gravity;
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struct imui_window_s *parent; // for submenus
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} imui_window_t;
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typedef struct imui_io_s {
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view_pos_t mouse;
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uint32_t buttons;
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uint32_t pressed;
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uint32_t released;
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uint32_t hot;
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uint32_t active;
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} imui_io_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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bool IMUI_ProcessEvent (imui_ctx_t *ctx, const struct IE_event_s *ie_event);
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imui_io_t IMUI_GetIO (imui_ctx_t *ctx) __attribute__((pure));
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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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int 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_Layout_SetXSize (imui_ctx_t *ctx, imui_size_t size, int value);
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void IMUI_Layout_SetYSize (imui_ctx_t *ctx, imui_size_t size, int value);
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int IMUI_PushStyle (imui_ctx_t *ctx, const imui_style_t *style);
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void IMUI_PopStyle (imui_ctx_t *ctx);
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void IMUI_Style_Update (imui_ctx_t *ctx, const imui_style_t *style);
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void IMUI_Style_Fetch (const imui_ctx_t *ctx, imui_style_t *style);
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void IMUI_Label (imui_ctx_t *ctx, const char *label);
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void IMUI_Labelf (imui_ctx_t *ctx, const char *fmt, ...)__attribute__((format(PRINTF,2,3)));
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void IMUI_Passage (imui_ctx_t *ctx, const char *name,
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struct passage_s *passage);
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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_Spacer (imui_ctx_t *ctx,
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imui_size_t xsize, int xvalue,
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imui_size_t ysize, int yvalue);
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view_pos_t IMUI_Dragable (imui_ctx_t *ctx,
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imui_size_t xsize, int xvalue,
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imui_size_t ysize, int yvalue,
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const char *name);
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int IMUI_StartPanel (imui_ctx_t *ctx, imui_window_t *panel);
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int IMUI_ExtendPanel (imui_ctx_t *ctx, const char *panel_name);
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void IMUI_EndPanel (imui_ctx_t *ctx);
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int IMUI_StartMenu (imui_ctx_t *ctx, imui_window_t *menu, bool vertical);
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void IMUI_EndMenu (imui_ctx_t *ctx);
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bool IMUI_MenuItem (imui_ctx_t *ctx, const char *label, bool collapse);
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void IMUI_TitleBar (imui_ctx_t *ctx, imui_window_t *window);
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void IMUI_CollapseButton (imui_ctx_t *ctx, imui_window_t *window);
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void IMUI_CloseButton (imui_ctx_t *ctx, imui_window_t *window);
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int 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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int IMUI_StartScrollBox (imui_ctx_t *ctx, const char *name);
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void IMUI_EndScrollBox (imui_ctx_t *ctx);
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#define IMUI_DeferLoop(begin, end) \
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for (int _i_ = (begin); !_i_; _i_++, (end))
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// #define IMUI_context to an imui_ctx_t * variable
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#define UI_Label(label) \
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IMUI_Label(IMUI_context, label)
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#define UI_Labelf(fmt...) \
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IMUI_Labelf(IMUI_context, fmt)
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#define UI_Passage(name, psg) \
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IMUI_Passage(IMUI_context, name, psg)
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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_Spacer(IMUI_context, imui_size_expand, 100, imui_size_expand, 100)
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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_Panel(panel) \
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IMUI_DeferLoop (IMUI_StartPanel (IMUI_context, panel), \
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IMUI_EndPanel (IMUI_context))
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#define UI_ExtendPanel(panel_name) \
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IMUI_DeferLoop (IMUI_ExtendPanel (IMUI_context, panel_name), \
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IMUI_EndPanel (IMUI_context))
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#define UI_Menu(menu) \
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IMUI_DeferLoop (IMUI_StartMenu (IMUI_context, menu, true), \
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IMUI_EndMenu (IMUI_context))
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#define UI_MenuBar(menu) \
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IMUI_DeferLoop (IMUI_StartMenu (IMUI_context, menu, false), \
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IMUI_EndMenu (IMUI_context))
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#define UI_MenuItem(label) \
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IMUI_MenuItem (IMUI_context, label, true)
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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_ScrollBox(name) \
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IMUI_DeferLoop (IMUI_StartScrollBox (IMUI_context, name), \
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IMUI_EndScrollBox (IMUI_context))
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#define UI_Style(style) \
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IMUI_DeferLoop (IMUI_PushStyle (IMUI_context, style), \
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IMUI_PopStyle (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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