fba34be1e7
which notifies them that the mouse_enabled bit has changed. Now that mouse_enabled can be initialized or modified by parameter events in addition to GUI events, the guis must be prepared for it. I have pasted empty method definitions into mouse_enabled_changed_specific for all guis except for X11, which I did the right way. The implementation of this function must use the argument "val" rather than reading the parameter.
297 lines
8.0 KiB
C++
297 lines
8.0 KiB
C++
// Copyright (C) 2001 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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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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#include "bochs.h"
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#include "icon_bochs.h"
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#define LOG_THIS bx_gui.
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// This file defines stubs for the GUI interface, which is a
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// place to start if you want to port bochs to a platform, for
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// which there is no support for your native GUI, or if you want to compile
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// bochs without any native GUI support (no output window or
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// keyboard input will be possible).
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// Look in 'x.cc', 'beos.cc', and 'win32.cc' for specific
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// implementations of this interface. -Kevin
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// ::SPECIFIC_INIT()
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//
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// Called from gui.cc, once upon program startup, to allow for the
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// specific GUI code (X11, BeOS, ...) to be initialized.
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//
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// th: a 'this' pointer to the gui class. If a function external to the
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// class needs access, store this pointer and use later.
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// argc, argv: not used right now, but the intention is to pass native GUI
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// specific options from the command line. (X11 options, BeOS options,...)
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//
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// tilewidth, tileheight: for optimization, graphics_tile_update() passes
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// only updated regions of the screen to the gui code to be redrawn.
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// These define the dimensions of a region (tile).
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// headerbar_y: A headerbar (toolbar) is display on the top of the
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// VGA window, showing floppy status, and other information. It
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// always assumes the width of the current VGA mode width, but
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// it's height is defined by this parameter.
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void
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bx_gui_c::specific_init(bx_gui_c *th, int argc, char **argv, unsigned tilewidth, unsigned tileheight,
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unsigned headerbar_y)
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{
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th->setprefix("NGUI");
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UNUSED(th);
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UNUSED(argc);
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UNUSED(argv);
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UNUSED(tilewidth);
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UNUSED(tileheight);
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UNUSED(headerbar_y);
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UNUSED(bochs_icon_bits); // global variable
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if (bx_options.Oprivate_colormap->get ()) {
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BX_INFO(("private_colormap option ignored."));
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}
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}
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// ::HANDLE_EVENTS()
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//
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// Called periodically (vga_update_interval in .bochsrc) so the
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// the gui code can poll for keyboard, mouse, and other
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// relevant events.
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void
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bx_gui_c::handle_events(void)
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{
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}
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// ::FLUSH()
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//
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// Called periodically, requesting that the gui code flush all pending
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// screen update requests.
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void
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bx_gui_c::flush(void)
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{
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}
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// ::CLEAR_SCREEN()
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//
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// Called to request that the VGA region is cleared. Don't
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// clear the area that defines the headerbar.
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void
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bx_gui_c::clear_screen(void)
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{
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}
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// ::TEXT_UPDATE()
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//
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// Called in a VGA text mode, to update the screen with
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// new content.
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//
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// old_text: array of character/attributes making up the contents
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// of the screen from the last call. See below
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// new_text: array of character/attributes making up the current
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// contents, which should now be displayed. See below
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//
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// format of old_text & new_text: each is 4000 bytes long.
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// This represents 80 characters wide by 25 high, with
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// each character being 2 bytes. The first by is the
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// character value, the second is the attribute byte.
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// I currently don't handle the attribute byte.
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//
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// cursor_x: new x location of cursor
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// cursor_y: new y location of cursor
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void
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bx_gui_c::text_update(Bit8u *old_text, Bit8u *new_text,
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unsigned long cursor_x, unsigned long cursor_y,
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unsigned nrows)
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{
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UNUSED(old_text);
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UNUSED(new_text);
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UNUSED(cursor_x);
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UNUSED(cursor_y);
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UNUSED(nrows);
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}
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// ::PALETTE_CHANGE()
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//
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// Allocate a color in the native GUI, for this color, and put
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// it in the colormap location 'index'.
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// returns: 0=no screen update needed (color map change has direct effect)
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// 1=screen updated needed (redraw using current colormap)
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Boolean
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bx_gui_c::palette_change(unsigned index, unsigned red, unsigned green, unsigned blue)
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{
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UNUSED(index);
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UNUSED(red);
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UNUSED(green);
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UNUSED(blue);
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return(0);
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}
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// ::GRAPHICS_TILE_UPDATE()
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//
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// Called to request that a tile of graphics be drawn to the
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// screen, since info in this region has changed.
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//
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// tile: array of 8bit values representing a block of pixels with
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// dimension equal to the 'tilewidth' & 'tileheight' parameters to
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// ::specific_init(). Each value specifies an index into the
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// array of colors you allocated for ::palette_change()
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// x0: x origin of tile
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// y0: y origin of tile
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//
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// note: origin of tile and of window based on (0,0) being in the upper
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// left of the window.
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void
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bx_gui_c::graphics_tile_update(Bit8u *tile, unsigned x0, unsigned y0)
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{
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UNUSED(tile);
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UNUSED(x0);
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UNUSED(y0);
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}
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// ::DIMENSION_UPDATE()
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//
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// Called when the VGA mode changes it's X,Y dimensions.
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// Resize the window to this size, but you need to add on
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// the height of the headerbar to the Y value.
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//
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// x: new VGA x size
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// y: new VGA y size (add headerbar_y parameter from ::specific_init().
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void
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bx_gui_c::dimension_update(unsigned x, unsigned y)
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{
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UNUSED(x);
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UNUSED(y);
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}
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// ::CREATE_BITMAP()
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//
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// Create a monochrome bitmap of size 'xdim' by 'ydim', which will
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// be drawn in the headerbar. Return an integer ID to the bitmap,
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// with which the bitmap can be referenced later.
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//
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// bmap: packed 8 pixels-per-byte bitmap. The pixel order is:
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// bit0 is the left most pixel, bit7 is the right most pixel.
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// xdim: x dimension of bitmap
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// ydim: y dimension of bitmap
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unsigned
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bx_gui_c::create_bitmap(const unsigned char *bmap, unsigned xdim, unsigned ydim)
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{
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UNUSED(bmap);
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UNUSED(xdim);
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UNUSED(ydim);
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return(0);
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}
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// ::HEADERBAR_BITMAP()
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//
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// Called to install a bitmap in the bochs headerbar (toolbar).
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//
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// bmap_id: will correspond to an ID returned from
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// ::create_bitmap(). 'alignment' is either BX_GRAVITY_LEFT
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// or BX_GRAVITY_RIGHT, meaning install the bitmap in the next
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// available leftmost or rightmost space.
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// alignment: is either BX_GRAVITY_LEFT or BX_GRAVITY_RIGHT,
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// meaning install the bitmap in the next
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// available leftmost or rightmost space.
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// f: a 'C' function pointer to callback when the mouse is clicked in
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// the boundaries of this bitmap.
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unsigned
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bx_gui_c::headerbar_bitmap(unsigned bmap_id, unsigned alignment, void (*f)(void))
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{
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UNUSED(bmap_id);
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UNUSED(alignment);
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UNUSED(f);
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return(0);
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}
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// ::SHOW_HEADERBAR()
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//
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// Show (redraw) the current headerbar, which is composed of
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// currently installed bitmaps.
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void
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bx_gui_c::show_headerbar(void)
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{
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}
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// ::REPLACE_BITMAP()
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//
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// Replace the bitmap installed in the headerbar ID slot 'hbar_id',
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// with the one specified by 'bmap_id'. 'bmap_id' will have
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// been generated by ::create_bitmap(). The old and new bitmap
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// must be of the same size. This allows the bitmap the user
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// sees to change, when some action occurs. For example when
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// the user presses on the floppy icon, it then displays
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// the ejected status.
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//
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// hbar_id: headerbar slot ID
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// bmap_id: bitmap ID
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void
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bx_gui_c::replace_bitmap(unsigned hbar_id, unsigned bmap_id)
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{
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UNUSED(hbar_id);
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UNUSED(bmap_id);
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}
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// ::EXIT()
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//
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// Called before bochs terminates, to allow for a graceful
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// exit from the native GUI mechanism.
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void
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bx_gui_c::exit(void)
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{
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BX_INFO(("bx_gui_c::exit() not implemented yet."));
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}
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void
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bx_gui_c::mouse_enabled_changed_specific (Boolean val)
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{
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}
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