Merged revisions 5309-5406,5409-5422 via svnmerge from

svn://svn.netsurf-browser.org/branches/vince/netsurf-fb

........
  r5309 | vince | 2008-09-13 10:59:10 +0100 (Sat, 13 Sep 2008) | 2 lines
  
  first stab at framebuffer frontend
........
  r5313 | vince | 2008-09-14 15:08:52 +0100 (Sun, 14 Sep 2008) | 2 lines
  
  add line plotters
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  r5314 | vince | 2008-09-14 15:28:12 +0100 (Sun, 14 Sep 2008) | 2 lines
  
  add rectangle plot to 16bpp plotters
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  r5315 | vince | 2008-09-14 19:58:57 +0100 (Sun, 14 Sep 2008) | 2 lines
  
  improve 16bpp image plot
........
  r5316 | vince | 2008-09-15 00:35:32 +0100 (Mon, 15 Sep 2008) | 2 lines
  
  abstract the os specific framebuffer init
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  r5317 | vince | 2008-09-15 11:18:51 +0100 (Mon, 15 Sep 2008) | 2 lines
  
  first cut of linux frontend
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  r5318 | vince | 2008-09-15 12:01:00 +0100 (Mon, 15 Sep 2008) | 2 lines
  
  remove junk includes
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  r5319 | vince | 2008-09-15 12:09:02 +0100 (Mon, 15 Sep 2008) | 2 lines
  
  make plotters OS agnostic again
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  r5322 | vince | 2008-09-15 15:55:01 +0100 (Mon, 15 Sep 2008) | 2 lines
  
  Linux frontend operates
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  r5323 | vince | 2008-09-15 16:32:47 +0100 (Mon, 15 Sep 2008) | 2 lines
  
  abstract out OS specific input
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  r5326 | vince | 2008-09-15 19:21:01 +0100 (Mon, 15 Sep 2008) | 2 lines
  
  Improve linux mode setting
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  r5329 | vince | 2008-09-15 21:13:33 +0100 (Mon, 15 Sep 2008) | 2 lines
  
  improve text clipping
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  r5339 | vince | 2008-09-16 00:07:57 +0100 (Tue, 16 Sep 2008) | 2 lines
  
  possibly fix text clipping issue
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  r5342 | vince | 2008-09-16 00:39:36 +0100 (Tue, 16 Sep 2008) | 2 lines
  
  consolidate polygon plotters
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  r5344 | dsilvers | 2008-09-16 10:21:06 +0100 (Tue, 16 Sep 2008) | 1 line
  
  Fix up the framebuffer target makefile a bit more, add some config options for it
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  r5345 | dsilvers | 2008-09-16 10:22:19 +0100 (Tue, 16 Sep 2008) | 1 line
  
  Ensure the appropriate frontend is selected when building framebuffer
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  r5346 | dsilvers | 2008-09-16 10:27:16 +0100 (Tue, 16 Sep 2008) | 1 line
  
  Update build system to support targetting separate framebuffer frontends in different build trees, update executable to be nsfb-blah
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  r5350 | vince | 2008-09-16 17:15:04 +0100 (Tue, 16 Sep 2008) | 1 line
  
  Add -g to provide symbols for framebuffer link
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  r5351 | vince | 2008-09-16 17:17:09 +0100 (Tue, 16 Sep 2008) | 1 line
  
  framebuffer scheduler now works, plotters tweaked, gui tracks window redraw requirements better, keypresses not duplicated under linux fb
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  r5352 | dsilvers | 2008-09-16 17:38:53 +0100 (Tue, 16 Sep 2008) | 1 line
  
  Ensure we only allow one fetcher at a time
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  r5361 | vince | 2008-09-17 11:48:44 +0100 (Wed, 17 Sep 2008) | 2 lines
  
  initial cursor support
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  r5362 | vince | 2008-09-17 13:56:47 +0100 (Wed, 17 Sep 2008) | 2 lines
  
  add mouse handling
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  r5363 | vince | 2008-09-17 14:14:44 +0100 (Wed, 17 Sep 2008) | 2 lines
  
  add framebuffer resources
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  r5364 | vince | 2008-09-17 17:12:21 +0100 (Wed, 17 Sep 2008) | 2 lines
  
  add reasonable pointer
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  r5366 | vince | 2008-09-17 17:17:25 +0100 (Wed, 17 Sep 2008) | 2 lines
  
  fix pointer alpha
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  r5370 | vince | 2008-09-18 13:43:53 +0100 (Thu, 18 Sep 2008) | 2 lines
  
  warning squash and cleanup ready for trunk merge
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  r5375 | vince | 2008-09-19 14:58:43 +0100 (Fri, 19 Sep 2008) | 2 lines
  
  Working mouse navigation
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  r5377 | vince | 2008-09-20 14:06:22 +0100 (Sat, 20 Sep 2008) | 2 lines
  
  Improve scrolling
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  r5378 | vince | 2008-09-20 14:46:46 +0100 (Sat, 20 Sep 2008) | 2 lines
  
  fix redraw issues with scrolling
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  r5380 | vince | 2008-09-20 17:08:43 +0100 (Sat, 20 Sep 2008) | 3 lines
  
  Alter panning to use its own flag so it doesnt cause invalid redraw 
  operations 
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  r5381 | vince | 2008-09-20 21:52:45 +0100 (Sat, 20 Sep 2008) | 2 lines
  
  add dummy framebuffer
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  r5383 | vince | 2008-09-21 00:00:15 +0100 (Sun, 21 Sep 2008) | 2 lines
  
  fix segfault when cursor is off teh bottom of teh screen
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  r5384 | vince | 2008-09-21 00:06:08 +0100 (Sun, 21 Sep 2008) | 2 lines
  
  fix off by one in pointer fix
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  r5385 | vince | 2008-09-21 00:25:09 +0100 (Sun, 21 Sep 2008) | 2 lines
  
  when fixing bloody silly off by one errors remember to fix *both* references
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  r5387 | vince | 2008-09-21 00:38:13 +0100 (Sun, 21 Sep 2008) | 2 lines
  
  last try at stopping the pointer segfault
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  r5388 | vince | 2008-09-21 16:24:18 +0100 (Sun, 21 Sep 2008) | 2 lines
  
  improve vertical text clipping
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  r5392 | vince | 2008-09-21 23:11:51 +0100 (Sun, 21 Sep 2008) | 2 lines
  
  Improve text plotters
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  r5393 | vince | 2008-09-21 23:34:38 +0100 (Sun, 21 Sep 2008) | 2 lines
  
  fix 32bpp line plotting
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  r5394 | vince | 2008-09-22 00:00:03 +0100 (Mon, 22 Sep 2008) | 2 lines
  
  Fix off by one error in line plotting clipping
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  r5397 | vince | 2008-09-22 13:46:22 +0100 (Mon, 22 Sep 2008) | 2 lines
  
  Fix bitmap tileing
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  r5398 | vince | 2008-09-22 17:46:02 +0100 (Mon, 22 Sep 2008) | 2 lines
  
  enable knockout renderer
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  r5399 | vince | 2008-09-22 18:43:48 +0100 (Mon, 22 Sep 2008) | 2 lines
  
  ensure clipping region lies within window, caused by knockout renderer
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  r5400 | vince | 2008-09-22 19:20:25 +0100 (Mon, 22 Sep 2008) | 2 lines
  
  update cursor to one swiped from X windows
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  r5405 | vince | 2008-09-23 09:09:05 +0100 (Tue, 23 Sep 2008) | 2 lines
  
  fix vertical scroll limit
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  r5412 | dsilvers | 2008-09-23 10:53:14 +0100 (Tue, 23 Sep 2008) | 1 line
  
  Revert noisy fetcher patch
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  r5413 | dsilvers | 2008-09-23 10:58:00 +0100 (Tue, 23 Sep 2008) | 1 line
  
  Add header guards
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  r5414 | dsilvers | 2008-09-23 11:31:31 +0100 (Tue, 23 Sep 2008) | 1 line
  
  Tidy the region clipping slightly
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  r5416 | dsilvers | 2008-09-23 12:05:00 +0100 (Tue, 23 Sep 2008) | 1 line
  
  Rationalise how the framebuffer frontend finds resources and options
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  r5418 | dsilvers | 2008-09-23 13:59:00 +0100 (Tue, 23 Sep 2008) | 1 line
  
  Ensure options are overridden after load, and squash an fb_gui.c warning
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  r5419 | dsilvers | 2008-09-23 14:20:07 +0100 (Tue, 23 Sep 2008) | 1 line
  
  Support fb_mode and fb_device options
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  r5420 | dsilvers | 2008-09-23 14:21:48 +0100 (Tue, 23 Sep 2008) | 1 line
  
  Support option_fb_device in the able frontend
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  r5421 | dsilvers | 2008-09-23 14:25:17 +0100 (Tue, 23 Sep 2008) | 1 line
  
  Ensure target_blank is disabled
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  r5422 | dsilvers | 2008-09-23 14:39:00 +0100 (Tue, 23 Sep 2008) | 1 line
  
  Rework linux fb frontend to support scanning and opening all event devices for input
........

svn path=/trunk/netsurf/; revision=5423

1 files changed, 241 insertions, 0 deletions

diff --git a/framebuffer/fb_cursor.c b/framebuffer/fb_cursor.c
new file mode 100644
index 000000000..5bd1b1a80
--- /dev/null
+++ b/framebuffer/fb_cursor.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright 2008 Vincent Sanders <vince@simtec.co.uk>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <sys/types.h>
+#include <stdint.h>
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <string.h>
+#include <limits.h>
+
+#include "utils/log.h"
+#include "utils/utf8.h"
+#include "desktop/plotters.h"
+#include "desktop/browser.h"
+#include "image/bitmap.h"
+
+#include "framebuffer/fb_gui.h"
+#include "framebuffer/fb_plotters.h"
+#include "framebuffer/fb_bitmap.h"
+#include "framebuffer/fb_cursor.h"
+
+struct fb_cursor_s {
+        int x;
+        int y;
+        int width; /**< width */
+        int height; /**< height */
+
+        bool plotted;
+
+        struct bitmap *bitmap; /* pointer bitmap */
+
+        uint8_t *savedata; /* save under area */
+};
+
+static const struct {
+  unsigned int 	 width;
+  unsigned int 	 height;
+  unsigned int 	 bytes_per_pixel; /* 3:RGB, 4:RGBA */ 
+  unsigned char	 pixel_data[11 * 15 * 4 + 1];
+} pointer_image = {
+  11, 15, 4,
+  "\0\0\0'\0\0\0""8\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
+  "\0\0\0\0\0\0\0\0\0\0\0`\230\230\230\275\3\3\3D\0\0\0\1\0\0\0\4\0\0\0\1\0"
+  "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0`\377\377\377\277\230\230\230"
+  "\275\2\2\2N\0\0\0\37\0\0\0\23\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
+  "\0`\377\377\377\277\377\377\377\277\224\224\224\302\2\2\2`\0\0\0$\0\0\0\24"
+  "\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0`\377\377\377\277\377\377\377\277\370"
+  "\370\370\304\220\220\220\307\2\2\2`\0\0\0$\0\0\0\24\0\0\0\2\0\0\0\0\0\0\0"
+  "\0\0\0\0`\377\377\377\277\377\377\377\277\370\370\370\304\362\362\362\311"
+  "\220\220\220\307\2\2\2`\0\0\0$\0\0\0\24\0\0\0\2\0\0\0\0\0\0\0`\377\377\377"
+  "\277\377\377\377\277\370\370\370\304\362\362\362\311\361\361\361\311]]]\307"
+  "\0\0\0;\0\0\0$\0\0\0\24\0\0\0\2\0\0\0`\377\377\377\277\377\377\377\277\370"
+  "\370\370\304\304\304\304\311222\245\0\0\0Z\0\0\0'\0\0\0&\0\0\0$\0\0\0\24"
+  "\0\0\0`\334\334\334\277sss\273\277\277\277\304\340\340\340\311\16\16\16~"
+  "\0\0\0&\0\0\0&\0\0\0&\0\0\0&\0\0\0#\0\0\0-\5\5\5T\0\0\0\21]]]\261\362\362"
+  "\362\311ccc\276\0\0\0,\0\0\0&\0\0\0&\0\0\0#\0\0\0\26\0\0\0\0\0\0\0\0\0\0"
+  "\0\0\11\11\11h\333\333\333\311\306\306\306\311\0\0\0g\0\0\0&\0\0\0&\0\0\0"
+  "\31\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\36ooo\304\212\212\212\305\15\15"
+  "\15q\0\0\0&\0\0\0&\0\0\0!\0\0\0\6\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0""8"
+  "\0\0\0\35\0\0\0\25\0\0\0&\0\0\0&\0\0\0%\0\0\0\21\0\0\0\0\0\0\0\0\0\0\0\0"
+  "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\10\0\0\0#\0\0\0&\0\0\0%\0\0\0\24\0\0\0\0\0"
+  "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\24\0\0\0\34\0\0\0\22"
+  "\0\0\0\4",
+};
+
+static void fb_cursor_save(framebuffer_t *fb)
+{
+        uint8_t *savebuf;
+        int savelen;
+        uint8_t *pvid;
+        int yloop;
+        int height = fb->cursor->height;
+
+        if ((fb->height - fb->cursor->y) < height)
+                height = fb->height - fb->cursor->y;
+
+        if (height == 0) {
+                if (fb->cursor->savedata != NULL)
+                        free(fb->cursor->savedata);
+                fb->cursor->savedata = NULL;
+                return;
+        }
+
+        savelen = ((fb->cursor->width * fb->bpp) / 8);
+        savebuf = malloc(savelen * height);
+        if (savebuf == NULL)
+                return;
+
+        if (fb->cursor->savedata != NULL)
+                free(fb->cursor->savedata);
+
+        fb->cursor->savedata = savebuf;
+
+        pvid = fb->ptr + 
+               (fb->cursor->y  * fb->linelen) + 
+               ((fb->cursor->x * fb->bpp) / 8);
+
+        for (yloop=0; yloop < height; yloop++) {
+                memcpy(savebuf, pvid, savelen);
+                savebuf += savelen;
+                pvid += fb->linelen;
+        }
+}
+
+static void fb_cursor_clear(framebuffer_t *fb) 
+{
+        uint8_t *savebuf;
+        int savelen;
+        uint8_t *pvid;
+        int yloop;
+        int height = fb->cursor->height;
+
+        if ((fb->height - fb->cursor->y) < height)
+                height = fb->height - fb->cursor->y ;
+
+        if (height == 0)
+                return;
+
+        if (fb->cursor->plotted == false)
+                return;
+        fb->cursor->plotted = false;
+
+        savebuf = fb->cursor->savedata;
+        if (savebuf == NULL)
+                return;
+
+        savelen = ((fb->cursor->width * fb->bpp) / 8);
+
+        pvid = fb->ptr + 
+               (fb->cursor->y  * fb->linelen) + 
+               ((fb->cursor->x * fb->bpp) / 8);
+
+        for (yloop=0; yloop < height; yloop++) {
+                memcpy(pvid, savebuf, savelen);
+                savebuf += savelen;
+                pvid += fb->linelen;
+        }
+
+}
+
+void
+fb_cursor_move(framebuffer_t *fb, int x, int y)
+{
+        fb_cursor_clear(fb);
+
+        fb->cursor->x += x;
+        fb->cursor->y += y;
+        if (fb->cursor->x < 0)
+                fb->cursor->x = 0;
+        if (fb->cursor->y < 0)
+                fb->cursor->y = 0;
+        if (fb->cursor->x > fb->width)
+                fb->cursor->x = fb->width;
+        if (fb->cursor->y > fb->height)
+                fb->cursor->y = fb->height;
+
+}
+
+void 
+fb_cursor_plot(framebuffer_t *fb)
+{
+        bbox_t saved_plot_ctx;
+
+        if (fb->cursor->plotted)
+                return;
+
+        saved_plot_ctx = fb_plot_ctx;
+
+        fb_plot_ctx.x0 = 0;
+        fb_plot_ctx.y0 = 0;
+        fb_plot_ctx.x1 = fb->width;
+        fb_plot_ctx.y1 = fb->height;
+
+        fb_cursor_save(fb);
+
+        plot.bitmap(fb->cursor->x, fb->cursor->y, 
+                    fb->cursor->width, fb->cursor->height,
+                    fb->cursor->bitmap, 0, NULL);
+
+        fb->cursor->plotted = true;
+        fb_plot_ctx = saved_plot_ctx;
+}
+
+
+fb_cursor_t *
+fb_cursor_init(framebuffer_t *fb)
+{
+        fb_cursor_t *cursor;
+        cursor = calloc(1, sizeof(fb_cursor_t));
+
+        cursor->x = fb->width / 2;
+        cursor->y = fb->height / 2;
+
+        cursor->width = pointer_image.width;
+        cursor->height = pointer_image.height;
+        cursor->bitmap = bitmap_create(cursor->width, cursor->height, 0);
+
+        memcpy(cursor->bitmap->pixdata, 
+               pointer_image.pixel_data, 
+               pointer_image.width * 
+               pointer_image.height * 
+               pointer_image.bytes_per_pixel);
+
+        cursor->plotted = false;
+
+        return cursor;
+}
+
+void
+fb_cursor_click(framebuffer_t *fb, 
+                struct gui_window *g, 
+                browser_mouse_state st)
+{
+        browser_window_mouse_click(g->bw,
+                                   st,
+                                   fb->cursor->x, 
+                                   fb->cursor->y + g->scrolly);
+
+}
+
+/*
+ * Local Variables:
+ * c-basic-offset:8
+ * End:
+ */