git.ozlabs.org Git - petitboot/blob - ui/twin/pbt-scr.h

   1 /*
   2  *  Copyright Geoff Levand <geoff@infradead.org>
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; version 2 of the License.
   7  *
   8  *  This program is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *  GNU General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU General Public License
  14  *  along with this program; if not, write to the Free Software
  15  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #if !defined(_PBT_SCR_H)
  19 #define _PBT_SCR_H
  20
  21 #include <libtwin/twin.h>
  22 #include <libtwin/twin_jpeg.h>
  23 #include <libtwin/twin_linux_mouse.h>
  24 #include <libtwin/twin_linux_js.h>
  25 #include <libtwin/twin_png.h>
  26
  27 #if defined(HAVE_LIBTWIN_TWIN_X11_H)
  28 # include <libtwin/twin_x11.h>
  29 #endif
  30 #if defined(HAVE_LIBTWIN_TWIN_FBDEV_H)
  31 # include <libtwin/twin_fbdev.h>
  32 #endif
  33
  34 #define DBG(fmt, args...) pb_log("DBG: " fmt, ## args)
  35 #define DBGS(fmt, args...) \
  36         pb_log("DBG:%s:%d: " fmt, __func__, __LINE__, ## args)
  37
  38 struct pbt_quad {
  39         twin_coord_t x;
  40         twin_coord_t y;
  41         twin_coord_t width;
  42         twin_coord_t height;
  43 };
  44
  45 /**
  46  * struct pbt_border - A window border.
  47  * @left: Pixel count for left side.
  48  * @fill_color: Border fill color.
  49  */
  50
  51 struct pbt_border {
  52     unsigned int left;
  53     unsigned int right;
  54     unsigned int top;
  55     unsigned int bottom;
  56     twin_argb32_t fill_color;
  57 };
  58
  59 enum {
  60         pbt_debug_red = 0x00800000,
  61         pbt_debug_green = 0x00008000,
  62         pbt_debug_blue = 0x00000080,
  63 };
  64
  65 static const struct pbt_border pbt_thin_border = {
  66         .right = 2,
  67         .left = 2,
  68         .top = 2,
  69         .bottom = 2,
  70 };
  71
  72 static const struct pbt_border pbt_right_border = {
  73         .right = 2
  74 };
  75
  76 static const struct pbt_border pbt_red_debug_border = {
  77         .right = 1,
  78         .left = 1,
  79         .top = 1,
  80         .bottom = 1,
  81         .fill_color = pbt_debug_red,
  82 };
  83
  84 static const struct pbt_border pbt_green_debug_border = {
  85         .right = 1,
  86         .left = 1,
  87         .top = 1,
  88         .bottom = 1,
  89         .fill_color = pbt_debug_green,
  90 };
  91
  92 static const struct pbt_border pbt_blue_debug_border = {
  93         .right = 1,
  94         .left = 1,
  95         .top = 1,
  96         .bottom = 1,
  97         .fill_color = pbt_debug_blue,
  98 };
  99
 100 static const struct pbt_border pbt_yellow_debug_border = {
 101         .right = 1,
 102         .left = 1,
 103         .top = 1,
 104         .bottom = 1,
 105         .fill_color = pbt_debug_green + pbt_debug_red,
 106 };
 107
 108 void pbt_border_draw(twin_pixmap_t *pixmap, const struct pbt_border *border);
 109
 110 struct pbt_cursor {
 111         twin_pixmap_t *pixmap;
 112         int hx;
 113         int hy;
 114 };
 115
 116 enum pbt_twin_backend {
 117         pbt_twin_x11 = 1,
 118         pbt_twin_fbdev,
 119 };
 120
 121 struct pbt_twin_ctx {
 122         union {
 123                 void *ptr;
 124 #if defined(HAVE_LIBTWIN_TWIN_X11_H)
 125                 twin_x11_t *x11;
 126 #endif
 127 #if defined(HAVE_LIBTWIN_TWIN_FBDEV_H)
 128                 twin_fbdev_t *fbdev;
 129 #endif
 130         };
 131         enum pbt_twin_backend backend;
 132 };
 133
 134 struct pbt_scr {
 135         struct pbt_twin_ctx twin_ctx;
 136         twin_screen_t *tscreen;
 137         twin_pixmap_t *cursor;
 138 };
 139
 140 struct pbt_scr *pbt_scr_init(void *talloc_ctx, enum pbt_twin_backend backend,
 141         unsigned int width, unsigned int height,
 142         const char *filename_background,
 143         twin_bool_t (*scr_event_cb)(twin_screen_t *tscreen,
 144                 twin_event_t *event));
 145
 146 static inline struct pbt_scr *pbt_scr_from_tscreen(twin_screen_t *tscreen)
 147 {
 148         size_t offset = (size_t)&((struct pbt_scr *)0)->tscreen;
 149         return (struct pbt_scr *)((char *)tscreen - offset);
 150 }
 151
 152 void pbt_image_draw(twin_pixmap_t *dest, twin_pixmap_t *image);
 153
 154 #define pbt_dump_event(_s, _w, _e) _pbt_dump_event(_s, _w, _e, __func__, __LINE__)
 155 void _pbt_dump_event(const char *text, twin_window_t *twindow,
 156         const twin_event_t *tevent, const char *func,  int line);
 157
 158 twin_pixmap_t *pbt_background_load(twin_screen_t *tscreen,
 159         const char *filename);
 160 twin_pixmap_t *pbt_icon_load(const char *filename);
 161 const char *pbt_icon_chooser(const char *hint);
 162 int pbt_window_contains(const twin_window_t *window, const twin_event_t *event);
 163 void pbt_window_redraw(twin_window_t *twindow);
 164
 165 #define pbt_dump_pixmap(_p)                     \
 166         DBGS("pixmap(%p): {x,y,w,h} = {%d,%d,%d,%d}\n", \
 167                 _p,                                     \
 168                 _p->x,                                  \
 169                 _p->y,                                  \
 170                 _p->width,                              \
 171                 _p->height)
 172
 173
 174 #endif