Atlas - SDL_x11toolkit.h
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[FILE BEGIN]
1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21#include "SDL_internal.h"
22
23#ifndef SDL_x11toolkit_h_
24#define SDL_x11toolkit_h_
25
26#include "../../SDL_list.h"
27#include "SDL_x11video.h"
28#include "SDL_x11dyn.h"
29#include "SDL_x11settings.h"
30#include "SDL_x11toolkit.h"
31#include "xsettings-client.h"
32#ifdef HAVE_FRIBIDI_H
33#include "../../core/unix/SDL_fribidi.h"
34#endif
35#ifdef HAVE_LIBTHAI_H
36#include "../../core/unix/SDL_libthai.h"
37#endif
38
39#ifdef SDL_VIDEO_DRIVER_X11
40
41/* Various predefined paddings */
42#define SDL_TOOLKIT_X11_ELEMENT_PADDING 4
43#define SDL_TOOLKIT_X11_ELEMENT_PADDING_2 12
44#define SDL_TOOLKIT_X11_ELEMENT_PADDING_3 8
45#define SDL_TOOLKIT_X11_ELEMENT_PADDING_4 16
46#define SDL_TOOLKIT_X11_ELEMENT_PADDING_5 3
47
48typedef enum SDL_ToolkitChildModeX11
49{
50    SDL_TOOLKIT_WINDOW_MODE_X11_DIALOG,
51    SDL_TOOLKIT_WINDOW_MODE_X11_CHILD, /* For embedding into a normal SDL_Window */
52    SDL_TOOLKIT_WINDOW_MODE_X11_MENU,
53    SDL_TOOLKIT_WINDOW_MODE_X11_TOOLTIP
54} SDL_ToolkitWindowModeX11;
55
56typedef enum SDL_ToolkitThaiEncodingX11
57{
58    SDL_TOOLKIT_THAI_ENCODING_X11_NONE,
59    SDL_TOOLKIT_THAI_ENCODING_X11_TIS, /* -0 */
60    SDL_TOOLKIT_THAI_ENCODING_X11_TIS_WIN, /* -2 */
61    SDL_TOOLKIT_THAI_ENCODING_X11_TIS_MAC, /* -1 */
62    SDL_TOOLKIT_THAI_ENCODING_X11_8859,
63    SDL_TOOLKIT_THAI_ENCODING_X11_UNICODE
64} SDL_ToolkitThaiEncodingX11;
65
66typedef enum SDL_ToolkitThaiFontX11
67{
68    SDL_TOOLKIT_THAI_FONT_X11_OFFSET,
69    SDL_TOOLKIT_THAI_FONT_X11_CELL
70} SDL_ToolkitThaiFontX11;
71
72typedef struct SDL_ToolkitWindowX11
73{
74    /* Locale */
75    char *origlocale;
76
77    /* Mode */
78    SDL_ToolkitWindowModeX11 mode;
79
80    /* Display */
81    Display *display;
82    int screen;
83    bool display_close;
84
85    /* Parent */
86    SDL_VideoDevice *parent_device;
87    SDL_Window *parent;
88    struct SDL_ToolkitWindowX11 *tk_parent;
89
90    /* Window */
91    Window window;
92    Drawable drawable;
93#ifndef NO_SHARED_MEMORY
94    XImage *image;
95    XShmSegmentInfo shm_info;
96    int shm_bytes_per_line;
97#endif
98
99    /* Visuals and drawing */
100    Visual *visual;
101    XVisualInfo vi;
102    Colormap cmap;
103    GC ctx;
104    int depth;
105    bool pixmap;
106
107    /* X11 extensions */
108#ifdef SDL_VIDEO_DRIVER_X11_XDBE
109    XdbeBackBuffer buf;
110    bool xdbe; // Whether Xdbe is present or not
111#endif
112#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
113    bool xrandr; // Whether Xrandr is present or not
114#endif
115#ifndef NO_SHARED_MEMORY
116    bool shm;
117    Bool shm_pixmap;
118#endif
119    bool utf8;
120    /* Atoms */
121    Atom wm_protocols;
122    Atom wm_delete_message;
123
124    /* Window and pixmap sizes */
125    int window_width;  // Window width.
126    int window_height; // Window height.
127    int pixmap_width;
128    int pixmap_height;
129    int window_x;
130    int window_y;
131
132    /* XSettings and scaling */
133    XSettingsClient *xsettings;
134    bool xsettings_first_time;
135    int iscale;
136    float scale;
137
138    /* Font */
139    XFontSet font_set;        // for UTF-8 systems
140    XFontStruct *font_struct; // Latin1 (ASCII) fallback.
141    SDL_ToolkitThaiEncodingX11 thai_encoding;
142    SDL_ToolkitThaiFontX11 thai_font;
143    
144    /* Control colors */
145    const SDL_MessageBoxColor *color_hints;
146    XColor xcolor[SDL_MESSAGEBOX_COLOR_COUNT];
147    XColor xcolor_bevel_l1;
148    XColor xcolor_bevel_l2;
149    XColor xcolor_bevel_d;
150    XColor xcolor_pressed;
151    XColor xcolor_disabled_text;
152
153    /* Control list */
154    bool has_focus;
155    struct SDL_ToolkitControlX11 *focused_control;
156    struct SDL_ToolkitControlX11 *fiddled_control;
157    struct SDL_ToolkitControlX11 **controls;
158    size_t controls_sz;
159    struct SDL_ToolkitControlX11 **dyn_controls;
160    size_t dyn_controls_sz;
161
162    /* User callbacks */
163    void *cb_data;
164    void (*cb_on_scale_change)(struct SDL_ToolkitWindowX11 *, void *);
165
166    /* Popup windows */
167    SDL_ListNode *popup_windows;
168
169    /* Event loop */
170    XEvent *e;
171    struct SDL_ToolkitControlX11 *previous_control;
172    struct SDL_ToolkitControlX11 *key_control_esc;
173    struct SDL_ToolkitControlX11 *key_control_enter;
174    KeySym last_key_pressed;
175    int ev_i;
176    float ev_scale;
177    float ev_iscale;
178    bool draw;
179    bool close;
180    long event_mask;
181
182#ifdef HAVE_FRIBIDI_H
183    /* BIDI engine */
184    SDL_FriBidi *fribidi;
185    bool do_shaping;
186#endif
187
188#ifdef HAVE_LIBTHAI_H
189    SDL_LibThai *th;
190#endif
191
192    bool flip_interface;
193} SDL_ToolkitWindowX11;
194
195typedef enum SDL_ToolkitControlStateX11
196{
197    SDL_TOOLKIT_CONTROL_STATE_X11_NORMAL,
198    SDL_TOOLKIT_CONTROL_STATE_X11_HOVER,
199    SDL_TOOLKIT_CONTROL_STATE_X11_PRESSED, /* Key/Button Up */
200    SDL_TOOLKIT_CONTROL_STATE_X11_PRESSED_HELD, /* Key/Button Down */
201    SDL_TOOLKIT_CONTROL_STATE_X11_DISABLED
202} SDL_ToolkitControlStateX11;
203
204typedef struct SDL_ToolkitControlX11
205{
206    SDL_ToolkitWindowX11 *window;
207    SDL_ToolkitControlStateX11 state;
208    SDL_Rect rect;
209    bool selected;
210    bool dynamic;
211    bool is_default_enter;
212    bool is_default_esc;
213    bool do_size;
214
215    /* User data */
216    void *data;
217
218    /* Virtual functions */
219    void (*func_draw)(struct SDL_ToolkitControlX11 *);
220    void (*func_calc_size)(struct SDL_ToolkitControlX11 *);
221    void (*func_on_scale_change)(struct SDL_ToolkitControlX11 *);
222    void (*func_on_state_change)(struct SDL_ToolkitControlX11 *);
223    void (*func_free)(struct SDL_ToolkitControlX11 *);
224} SDL_ToolkitControlX11;
225
226typedef struct SDL_ToolkitMenuItemX11
227{
228    const char *utf8;
229    bool checkbox;
230    bool checked;
231    bool disabled;
232    void *cb_data;
233    void (*cb)(struct SDL_ToolkitMenuItemX11 *, void *);
234    SDL_ListNode *sub_menu;
235
236    /* Internal use */
237    SDL_Rect utf8_rect;
238    SDL_Rect hover_rect;
239    SDL_Rect check_rect;
240    SDL_ToolkitControlStateX11 state;
241    int arrow_x;
242    int arrow_y;
243    bool reverse_arrows;
244} SDL_ToolkitMenuItemX11;
245
246/* WINDOW FUNCTIONS */
247extern SDL_ToolkitWindowX11 *X11Toolkit_CreateWindowStruct(SDL_Window *parent, SDL_ToolkitWindowX11 *tkparent, SDL_ToolkitWindowModeX11 mode, const SDL_MessageBoxColor *colorhints, bool create_new_display);
248extern bool X11Toolkit_CreateWindowRes(SDL_ToolkitWindowX11 *data, int w, int h, int cx, int cy, char *title);
249extern void X11Toolkit_DoWindowEventLoop(SDL_ToolkitWindowX11 *data);
250extern void X11Toolkit_ResizeWindow(SDL_ToolkitWindowX11 *data, int w, int h);
251extern void X11Toolkit_DestroyWindow(SDL_ToolkitWindowX11 *data);
252extern void X11Toolkit_SignalWindowClose(SDL_ToolkitWindowX11 *data);
253
254/* GENERIC CONTROL FUNCTIONS */
255extern bool X11Toolkit_NotifyControlOfSizeChange(SDL_ToolkitControlX11 *control);
256
257/* ICON CONTROL FUNCTIONS */
258extern SDL_ToolkitControlX11 *X11Toolkit_CreateIconControl(SDL_ToolkitWindowX11 *window, SDL_MessageBoxFlags flags);
259
260/* LABEL CONTROL FUNCTIONS */
261extern SDL_ToolkitControlX11 *X11Toolkit_CreateLabelControl(SDL_ToolkitWindowX11 *window, char *utf8);
262extern int X11Toolkit_GetLabelControlFirstLineHeight(SDL_ToolkitControlX11 *control);
263
264/* BUTTON CONTROL FUNCTIONS */
265extern SDL_ToolkitControlX11 *X11Toolkit_CreateButtonControl(SDL_ToolkitWindowX11 *window, const SDL_MessageBoxButtonData *data);
266extern void X11Toolkit_RegisterCallbackForButtonControl(SDL_ToolkitControlX11 *control, void *data, void (*cb)(struct SDL_ToolkitControlX11 *, void *));
267extern const SDL_MessageBoxButtonData *X11Toolkit_GetButtonControlData(SDL_ToolkitControlX11 *control);
268
269#endif // SDL_VIDEO_DRIVER_X11
270
271#endif // SDL_x11toolkit_h_
272
[FILE END]
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