512 lines
13 KiB
C++
512 lines
13 KiB
C++
//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#define _MULTI_THREAD
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// Define BX_PLUGGABLE in files that can be compiled into plugins. For
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// platforms that require a special tag on exported symbols, BX_PLUGGABLE
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// is used to know when we are exporting symbols and when we are importing.
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#define BX_PLUGGABLE
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#include "bochs.h"
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#if BX_WITH_SVGA
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#include <stdlib.h>
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#include </usr/include/vga.h>
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#include <vgagl.h>
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#include <vgakeyboard.h>
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#include <vgamouse.h>
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#include "font/vga.bitmap.h"
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#include "icon_bochs.h"
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class bx_svga_gui_c : public bx_gui_c {
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public:
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bx_svga_gui_c (void);
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DECLARE_GUI_VIRTUAL_METHODS()
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virtual void set_display_mode (disp_mode_t newmode);
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};
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// declare one instance of the gui object and call macro to insert the
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// plugin code
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static bx_svga_gui_c *theGui = NULL;
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IMPLEMENT_GUI_PLUGIN_CODE(svga)
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#define LOG_THIS theGui->
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static unsigned res_x, res_y;
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static int fontwidth = 8, fontheight = 16;
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static unsigned tilewidth, tileheight;
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static unsigned char vgafont[256 * 16];
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static int clut8 = 0;
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GraphicsContext *screen = NULL;
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static int save_vga_mode;
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static int save_vga_pal[256 * 3];
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void keyboard_handler(int scancode, int press);
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void mouse_handler(int button, int dx, int dy, int dz,
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int drx, int dry, int drz);
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unsigned char reverse_byteorder(unsigned char b)
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{
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unsigned char ret = 0;
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for (unsigned i=0;i<8;i++){
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ret |= (b & 0x01) << (7 - i);
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b >>= 1;
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}
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return ret;
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}
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void create_vga_font()
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{
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memcpy(vgafont, bx_vgafont, sizeof(bx_vgafont));
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for (unsigned i=0;i< sizeof(bx_vgafont);i++) {
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vgafont[i] = reverse_byteorder(vgafont[i]);
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}
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}
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bx_svga_gui_c::bx_svga_gui_c ()
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{
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put("SVGA");
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}
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void bx_svga_gui_c::specific_init(
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int argc,
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char **argv,
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unsigned x_tilesize,
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unsigned y_tilesize,
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unsigned header_bar_y)
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{
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tilewidth = x_tilesize;
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tileheight = y_tilesize;
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if(vga_init() != 0 )
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{
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LOG_THIS setonoff(LOGLEV_PANIC, ACT_FATAL);
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BX_PANIC (("Unable to initialize SVGAlib"));
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return;
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}
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screen = gl_allocatecontext();
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dimension_update(640,400);
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create_vga_font();
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gl_setfont(8, 16, (void *)vgafont);
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gl_setwritemode(FONT_COMPRESSED);
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keyboard_init();
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keyboard_seteventhandler((__keyboard_handler) keyboard_handler);
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vga_setmousesupport(1);
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mouse_seteventhandler((__mouse_handler) mouse_handler);
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if (vga_ext_set(VGA_EXT_AVAILABLE, VGA_AVAIL_FLAGS) & VGA_CLUT8) {
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vga_ext_set(VGA_EXT_SET, VGA_CLUT8);
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clut8 = 1;
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}
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// Save settings to prepare for mode transition in set_display_mode.
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// If DISP_MODE_SIM is called first, these values will be used.
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save_vga_mode = vga_getcurrentmode();
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vga_getpalvec(0, 256, save_vga_pal);
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}
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void bx_svga_gui_c::text_update(
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Bit8u *old_text,
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Bit8u *new_text,
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unsigned long cursor_x,
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unsigned long cursor_y,
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bx_vga_tminfo_t tm_info,
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unsigned rows)
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{
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unsigned x, y, i;
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unsigned char achar;
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unsigned chars, cols;
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char s[] = " ";
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static int previ;
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int cursori;
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cols = res_x/fontwidth;
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cursori = (cursor_y*cols + cursor_x) * 2;
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chars = cols*rows;
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for (i=0; i<chars*2; i+=2) {
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if (i == cursori || i == previ || old_text[i] != new_text[i] ||
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old_text[i+1] != new_text[i+1]) {
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s[0] = new_text[i];
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x = (i/2) % cols;
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y = (i/2) / cols;
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if (i == cursori) {
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gl_setfontcolors(new_text[i+1] & 0x0F, (new_text[i+1] & 0xF0) >> 4);
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} else {
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gl_setfontcolors((new_text[i+1] & 0xF0) >> 4, new_text[i+1] & 0x0F);
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}
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gl_write(x * fontwidth, y * fontheight, s);
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}
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}
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previ = cursori;
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}
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int
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bx_svga_gui_c::get_clipboard_text(Bit8u **bytes, Bit32s *nbytes)
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{
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return 0;
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}
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int
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bx_svga_gui_c::set_clipboard_text(char *text_snapshot, Bit32u len)
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{
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return 0;
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}
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void bx_svga_gui_c::graphics_tile_update(
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Bit8u *snapshot,
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unsigned x,
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unsigned y)
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{
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gl_putbox(x, y, tilewidth, tileheight, snapshot);
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}
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static Bit32u vga_to_bx_key(int key)
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{
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switch (key) {
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case SCANCODE_ESCAPE: return BX_KEY_ESC;
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case SCANCODE_1: return BX_KEY_1;
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case SCANCODE_2: return BX_KEY_2;
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case SCANCODE_3: return BX_KEY_3;
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case SCANCODE_4: return BX_KEY_4;
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case SCANCODE_5: return BX_KEY_5;
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case SCANCODE_6: return BX_KEY_6;
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case SCANCODE_7: return BX_KEY_7;
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case SCANCODE_8: return BX_KEY_8;
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case SCANCODE_9: return BX_KEY_9;
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case SCANCODE_0: return BX_KEY_0;
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case SCANCODE_MINUS: return BX_KEY_MINUS;
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case SCANCODE_EQUAL: return BX_KEY_EQUALS;
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case SCANCODE_TAB: return BX_KEY_TAB;
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case SCANCODE_BACKSPACE: return BX_KEY_BACKSPACE;
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case SCANCODE_Q: return BX_KEY_Q;
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case SCANCODE_W: return BX_KEY_W;
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case SCANCODE_E: return BX_KEY_E;
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case SCANCODE_R: return BX_KEY_R;
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case SCANCODE_T: return BX_KEY_T;
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case SCANCODE_Y: return BX_KEY_Y;
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case SCANCODE_U: return BX_KEY_U;
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case SCANCODE_I: return BX_KEY_I;
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case SCANCODE_O: return BX_KEY_O;
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case SCANCODE_P: return BX_KEY_P;
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case SCANCODE_BRACKET_LEFT: return BX_KEY_LEFT_BRACKET;
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case SCANCODE_BRACKET_RIGHT: return BX_KEY_RIGHT_BRACKET;
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case SCANCODE_ENTER: return BX_KEY_ENTER;
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case SCANCODE_LEFTCONTROL: return BX_KEY_CTRL_L;
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case SCANCODE_A: return BX_KEY_A;
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case SCANCODE_S: return BX_KEY_S;
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case SCANCODE_D: return BX_KEY_D;
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case SCANCODE_F: return BX_KEY_F;
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case SCANCODE_G: return BX_KEY_G;
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case SCANCODE_H: return BX_KEY_H;
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case SCANCODE_J: return BX_KEY_J;
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case SCANCODE_K: return BX_KEY_K;
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case SCANCODE_L: return BX_KEY_L;
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case SCANCODE_SEMICOLON: return BX_KEY_SEMICOLON;
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case SCANCODE_APOSTROPHE: return BX_KEY_SINGLE_QUOTE;
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case SCANCODE_GRAVE: return BX_KEY_GRAVE;
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case SCANCODE_LEFTSHIFT: return BX_KEY_SHIFT_L;
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case SCANCODE_BACKSLASH: return BX_KEY_BACKSLASH;
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case SCANCODE_Z: return BX_KEY_Z;
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case SCANCODE_X: return BX_KEY_X;
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case SCANCODE_C: return BX_KEY_C;
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case SCANCODE_V: return BX_KEY_V;
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case SCANCODE_B: return BX_KEY_B;
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case SCANCODE_N: return BX_KEY_N;
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case SCANCODE_M: return BX_KEY_M;
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case SCANCODE_COMMA: return BX_KEY_COMMA;
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case SCANCODE_PERIOD: return BX_KEY_PERIOD;
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case SCANCODE_SLASH: return BX_KEY_SLASH;
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case SCANCODE_RIGHTSHIFT: return BX_KEY_SHIFT_R;
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case SCANCODE_KEYPADMULTIPLY: return BX_KEY_KP_MULTIPLY;
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case SCANCODE_LEFTALT: return BX_KEY_ALT_L;
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case SCANCODE_SPACE: return BX_KEY_SPACE;
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case SCANCODE_CAPSLOCK: return BX_KEY_CAPS_LOCK;
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case SCANCODE_F1: return BX_KEY_F1;
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case SCANCODE_F2: return BX_KEY_F2;
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case SCANCODE_F3: return BX_KEY_F3;
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case SCANCODE_F4: return BX_KEY_F4;
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case SCANCODE_F5: return BX_KEY_F5;
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case SCANCODE_F6: return BX_KEY_F6;
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case SCANCODE_F7: return BX_KEY_F7;
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case SCANCODE_F8: return BX_KEY_F8;
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case SCANCODE_F9: return BX_KEY_F9;
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case SCANCODE_F10: return BX_KEY_F10;
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case SCANCODE_NUMLOCK: return BX_KEY_NUM_LOCK;
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case SCANCODE_SCROLLLOCK: return BX_KEY_SCRL_LOCK;
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case SCANCODE_KEYPAD7: return BX_KEY_KP_HOME;
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case SCANCODE_KEYPAD8: return BX_KEY_KP_UP;
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case SCANCODE_KEYPAD9: return BX_KEY_KP_PAGE_UP;
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case SCANCODE_KEYPADMINUS: return BX_KEY_KP_SUBTRACT;
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case SCANCODE_KEYPAD4: return BX_KEY_KP_LEFT;
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case SCANCODE_KEYPAD5: return BX_KEY_KP_5;
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case SCANCODE_KEYPAD6: return BX_KEY_KP_RIGHT;
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case SCANCODE_KEYPADPLUS: return BX_KEY_KP_ADD;
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case SCANCODE_KEYPAD1: return BX_KEY_KP_END;
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case SCANCODE_KEYPAD2: return BX_KEY_KP_DOWN;
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case SCANCODE_KEYPAD3: return BX_KEY_KP_PAGE_DOWN;
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case SCANCODE_KEYPAD0: return BX_KEY_KP_INSERT;
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// case SCANCODE_KEYPADPERIOD: return BX_KEY_KP_; /* ??? */
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// case SCANCODE_LESS: return BX_KEY_KP_LESS; /* ??? */
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case SCANCODE_F11: return BX_KEY_F11;
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case SCANCODE_F12: return BX_KEY_F12;
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case SCANCODE_KEYPADENTER: return BX_KEY_KP_ENTER;
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case SCANCODE_RIGHTCONTROL: return BX_KEY_CTRL_R;
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case SCANCODE_KEYPADDIVIDE: return BX_KEY_KP_DIVIDE;
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case SCANCODE_PRINTSCREEN: return BX_KEY_PRINT;
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case SCANCODE_RIGHTALT: return BX_KEY_ALT_R;
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case SCANCODE_BREAK: return BX_KEY_PAUSE;
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case SCANCODE_HOME: return BX_KEY_HOME;
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case SCANCODE_CURSORBLOCKUP: return BX_KEY_UP;
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case SCANCODE_PAGEUP: return BX_KEY_PAGE_UP;
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case SCANCODE_CURSORBLOCKLEFT: return BX_KEY_LEFT;
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case SCANCODE_CURSORBLOCKRIGHT: return BX_KEY_RIGHT;
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case SCANCODE_END: return BX_KEY_END;
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case SCANCODE_CURSORBLOCKDOWN: return BX_KEY_DOWN;
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case SCANCODE_PAGEDOWN: return BX_KEY_PAGE_DOWN;
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case SCANCODE_INSERT: return BX_KEY_INSERT;
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case SCANCODE_REMOVE: return BX_KEY_DELETE;
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case SCANCODE_RIGHTWIN: return BX_KEY_WIN_R;
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case SCANCODE_LEFTWIN: return BX_KEY_WIN_L;
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default: return 0;
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}
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}
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void keyboard_handler(int scancode, int press)
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{
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if (scancode != SCANCODE_F12) {
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int bx_key = vga_to_bx_key(scancode);
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Bit32u key_state;
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if (press) {
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key_state = BX_KEY_PRESSED;
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} else {
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key_state = BX_KEY_RELEASED;
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}
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DEV_kbd_gen_scancode(bx_key | key_state);
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} else {
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BX_INFO(("F12 pressed"));
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// show runtime options menu, which uses stdin/stdout
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SIM->configuration_interface (NULL, CI_RUNTIME_CONFIG);
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}
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}
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void mouse_handler(int button, int dx, int dy, int dz,
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int drx, int dry, int drz)
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{
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char a[100];
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int buttons = 0;
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if (button & MOUSE_LEFTBUTTON) {
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buttons |= 0x01;
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}
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if (button & MOUSE_RIGHTBUTTON) {
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buttons |= 0x02;
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}
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DEV_mouse_motion((int) (0.25 * dx), (int) -(0.25 * dy), buttons);
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}
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void bx_svga_gui_c::handle_events(void)
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{
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keyboard_update();
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keyboard_clearstate();
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mouse_update();
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}
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void bx_svga_gui_c::flush(void)
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{
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gl_copyscreen(screen);
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}
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void bx_svga_gui_c::clear_screen(void)
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{
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gl_clearscreen(0);
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}
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bx_bool bx_svga_gui_c::palette_change(
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unsigned index,
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unsigned red,
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unsigned green,
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unsigned blue)
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{
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if( index > 255 ) return 0;
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// without VGA_CLUT8 extension we have only 6 bits for each r,g,b value
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if (!clut8 && (red > 63 || green > 63 || blue > 63)) {
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red = red >> 2;
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green = green >> 2;
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blue = blue >> 2;
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}
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vga_setpalette(index, red, green, blue);
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return 1;
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}
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void bx_svga_gui_c::dimension_update(
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unsigned x,
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unsigned y,
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unsigned fheight)
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{
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int newmode;
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// TODO: remove this stupid check whenever the vga driver is fixed
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if( y == 208 ) y = 200;
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if( fheight > 0 )
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{
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fontheight = fheight;
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fontwidth = 8;
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}
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if( (x == res_x) && (y == res_y )) return;
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if (x == 640 && y == 480) {
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newmode = G640x480x256;
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} else if (x == 640 && y == 400) {
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newmode = G640x400x256;
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} else if (x == 320 && y == 200) {
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newmode = G320x200x256;
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}
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if (!vga_hasmode(newmode)) {
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newmode = G640x480x256; // trying "default" mode...
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}
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if (vga_setmode(newmode) != 0)
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{
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LOG_THIS setonoff(LOGLEV_PANIC, ACT_FATAL);
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BX_PANIC (("Unable to set requested videomode: %ix%i", x, y));
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}
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gl_setcontextvga(newmode);
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gl_getcontext(screen);
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gl_setcontextvgavirtual(newmode);
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save_vga_mode = newmode;
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res_x = x;
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res_y = y;
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}
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unsigned bx_svga_gui_c::create_bitmap(
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const unsigned char *bmap,
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unsigned xdim,
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unsigned ydim)
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{
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return 0;
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}
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unsigned bx_svga_gui_c::headerbar_bitmap(
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unsigned bmap_id,
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unsigned alignment,
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void (*f)(void))
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{
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return 0;
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}
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void bx_svga_gui_c::replace_bitmap(
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unsigned hbar_id,
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unsigned bmap_id)
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{
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}
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void bx_svga_gui_c::show_headerbar(void)
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{
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}
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void bx_svga_gui_c::mouse_enabled_changed_specific (bx_bool val)
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{
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}
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void headerbar_click(int x)
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{
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}
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void bx_svga_gui_c::exit(void)
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{
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vga_setmode(TEXT);
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keyboard_close();
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mouse_close();
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}
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void
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bx_svga_gui_c::set_display_mode (disp_mode_t newmode)
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{
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// if no mode change, do nothing.
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if (disp_mode == newmode) return;
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// remember the display mode for next time
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disp_mode = newmode;
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switch (newmode) {
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case DISP_MODE_CONFIG:
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BX_DEBUG (("switch to configuration mode (back to console)"));
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// remember old values and switch to text mode
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save_vga_mode = vga_getcurrentmode();
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vga_getpalvec(0, 256, save_vga_pal);
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keyboard_close();
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vga_setmode(TEXT);
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break;
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case DISP_MODE_SIM:
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BX_DEBUG (("switch to simulation mode (fullscreen)"));
|
|
keyboard_init();
|
|
keyboard_seteventhandler((__keyboard_handler) keyboard_handler);
|
|
vga_setmode(save_vga_mode);
|
|
vga_setpalvec(0, 256, save_vga_pal);
|
|
break;
|
|
}
|
|
}
|
|
|
|
#endif /* if BX_WITH_SVGA */
|