mirror of
https://github.com/scp-fs2open/fs2open.github.com.git
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407 lines
8.8 KiB
C++
407 lines
8.8 KiB
C++
/*
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* Copyright (C) Volition, Inc. 1999. All rights reserved.
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*
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* All source code herein is the property of Volition, Inc. You may not sell
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* or otherwise commercially exploit the source or things you created based on the
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* source.
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*
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*/
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/*
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* $Logfile: /Freespace2/code/UI/SCROLL.cpp $
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* $Revision: 2.3.2.1 $
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* $Date: 2006-09-08 06:14:44 $
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* $Author: taylor $
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*
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* Code for vertical scrollbars.
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*
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* $Log: not supported by cvs2svn $
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* Revision 2.3 2004/07/26 20:47:55 Kazan
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* remove MCD complete
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*
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* Revision 2.2 2004/07/12 16:33:08 Kazan
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* MCD - define _MCD_CHECK to use memory tracking
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*
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* Revision 2.1 2002/08/01 01:41:10 penguin
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* The big include file move
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*
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* Revision 2.0 2002/06/03 04:02:29 penguin
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* Warpcore CVS sync
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*
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* Revision 1.1 2002/05/02 18:03:13 mharris
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* Initial checkin - converted filenames and includes to lower case
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*
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*
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* 4 12/02/98 5:47p Dave
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* Put in interface xstr code. Converted barracks screen to new format.
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*
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* 3 10/13/98 9:29a Dave
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* Started neatening up freespace.h. Many variables renamed and
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* reorganized. Added AlphaColors.[h,cpp]
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*
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* 2 10/07/98 10:54a Dave
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* Initial checkin.
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*
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* 1 10/07/98 10:51a Dave
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*
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* 15 3/23/98 5:48p Hoffoss
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* Improved listbox handling. Most notibly the scrollbar arrows work now.
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*
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* 14 2/03/98 4:21p Hoffoss
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* Made UI controls draw white text when disabled.
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*
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* 13 1/14/98 6:44p Hoffoss
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* Massive changes to UI code. A lot cleaner and better now. Did all
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* this to get the new UI_DOT_SLIDER to work properly, which the old code
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* wasn't flexible enough to handle.
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*
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* 12 8/24/97 5:24p Lawrance
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* improve drawing of buttons
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*
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* 11 6/12/97 12:39p John
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* made ui use freespace colors
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*
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* 10 6/11/97 1:13p John
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* Started fixing all the text colors in the game.
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*
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* 9 5/26/97 10:26a Lawrance
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* get slider control working 100%
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*
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* 8 5/22/97 5:36p Lawrance
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* allowing custom art for scrollbars
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*
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* 7 1/28/97 4:58p Lawrance
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* allowing hidden UI components
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*
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* 6 12/04/96 3:00p John
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* Added code to allow adjusting of HUD colors and saved it to the player
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* config file.
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*
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* 5 12/03/96 11:29a John
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* Made scroll buttons on listbox scroll once, then delay, then repeat
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* when the buttons are held down.
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*
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* 4 12/02/96 2:50p John
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* Made list box not scroll instantly.
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*
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* 3 12/02/96 2:17p John
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* Made right button drag UI gadgets around and
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* Ctrl+Shift+Alt+F12 dumps out where they are.
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*
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* 2 11/15/96 11:43a John
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*
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* 1 11/14/96 6:55p John
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*
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* $NoKeywords: $
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*/
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#include "ui/uidefs.h"
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#include "ui/ui.h"
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#include "io/timer.h"
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#include "globalincs/alphacolors.h"
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// --------------------------------------------------------------------
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// UI_SCROLLBAR::link_hotspot
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//
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//
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void UI_SCROLLBAR::link_hotspot(int up_button_num, int down_button_num)
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{
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up_button.link_hotspot(up_button_num);
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down_button.link_hotspot(down_button_num);
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}
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// --------------------------------------------------------------------
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// UI_SCROLLBAR::set_bmaps
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//
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// Call the UI_GADGET::set_bmaps() function for the child components
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// of a scroll bar (the up and down button). Set up the bmaps for the
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// line itself.
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//
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// We also need to get the dimensions of the bitmap button so we can update
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// the dimensions of the scrollbar.
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//
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// returns: -1 ==> error
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// 0 ==> success
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//
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int UI_SCROLLBAR::set_bmaps(char *up_button_fname, char *down_button_fname, char *line_fname)
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{
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int bx, by, bh, bw;
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up_button.set_bmaps(up_button_fname);
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down_button.set_bmaps(down_button_fname);
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up_button.get_dimensions(&bx, &by, &bw, &bh);
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// set the bitmaps for the rectangle that is the scrollbar itself
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((UI_GADGET*)this)->set_bmaps(line_fname);
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uses_bmaps = 1;
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update_dimensions(x,y+bw,bw,h-bw*2);
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return 0;
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}
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void UI_SCROLLBAR::hide()
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{
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hidden = 1;
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up_button.hide();
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down_button.hide();
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}
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void UI_SCROLLBAR::unhide()
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{
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hidden = 0;
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up_button.unhide();
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down_button.unhide();
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}
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int UI_SCROLLBAR::get_hidden()
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{
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return hidden;
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}
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void UI_SCROLLBAR::create(UI_WINDOW *wnd, int _x, int _y, int _h, int _start, int _stop, int _position, int _window_size)
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{
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char *up = "^";
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char *down = "v";
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int bw = 20;
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base_create( wnd, UI_KIND_SCROLLBAR, _x, _y + bw, bw, _h - bw * 2 );
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up_button.create( wnd, up, _x, _y, bw, bw, 1 );
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up_button.set_parent(this);
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up_button.set_hotkey_if_focus(KEY_UP);
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down_button.create( wnd, down, _x, _y + _h - bw, bw, bw, 1 );
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down_button.set_parent(this);
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down_button.set_hotkey_if_focus(KEY_DOWN);
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horz = 0;
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start = _start;
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stop = _stop;
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position = _position;
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window_size = _window_size;
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bar_length = h;
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bar_position = 0;
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Assert( stop >= 0 );
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if (stop != start)
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bar_size = (window_size * h) / (stop - start + window_size + 1);
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else
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bar_size = h;
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if (bar_size < 7)
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bar_size = 7;
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bar_position = position - start;
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bar_position *= h - bar_size;
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bar_position /= stop - start;
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dragging = 0;
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last_scrolled = 0;
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moved = 1;
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}
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void UI_SCROLLBAR::draw()
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{
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UI_GADGET::draw();
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if (uses_bmaps) {
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gr_reset_clip();
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if (disabled_flag) {
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if ( bmap_ids[SB_DISABLED] != -1 ) {
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gr_set_bitmap(bmap_ids[SB_DISABLED]);
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gr_bitmap(x,y);
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}
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} else {
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if ( bmap_ids[SB_NORMAL] != -1 ) {
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gr_set_bitmap(bmap_ids[SB_NORMAL]);
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gr_bitmap(x,y);
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}
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}
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gr_set_clip( x, y, w, h );
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ui_draw_box_out( 0, bar_position, w - 1, bar_position + bar_size - 1 );
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} else {
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gr_set_font(my_wnd->f_id);
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gr_set_clip( x, y, w, h );
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if (my_wnd->selected_gadget == this)
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gr_set_color_fast(&CBRIGHT_GREEN);
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else
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gr_set_color_fast(&CGRAY);
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/*
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ui_rect( 0, 0, w-1, bar_position-1 );
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ui_rect( 0, bar_position+bar_size, w-1, h-1);
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*/
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ui_rect( 0, 0, w-1, h-1 );
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ui_draw_box_out( 0, bar_position, w - 1, bar_position + bar_size - 1 );
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}
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}
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void UI_SCROLLBAR::process(int focus)
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{
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int OnMe, OnSlider;
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int oldpos, op;
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moved = 0;
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if (disabled_flag) {
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return;
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}
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if (my_wnd->selected_gadget == this)
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focus = 1;
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up_button.process(focus);
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down_button.process(focus);
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if (start == stop) {
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position = 0;
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bar_position = 0;
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return;
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}
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op = position;
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oldpos = bar_position;
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if (up_button.pressed()) {
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position--;
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if (position < start)
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position = start;
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bar_position = position - start;
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bar_position *= h - bar_size;
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bar_position /= stop - start;
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set_focus();
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}
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/*
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if ( (up_button.position != 0) || (focus && keyd_pressed[KEY_UP]) ) {
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if ( (timer_get_milliseconds() > last_scrolled + 50) || up_button.just_pressed() ) {
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if ( up_button.just_pressed() ) {
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last_scrolled = timer_get_milliseconds() + 300;
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} else
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last_scrolled = timer_get_milliseconds();
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position--;
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if (position < start)
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position = start;
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bar_position = position - start;
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bar_position *= h - bar_size;
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bar_position /= stop - start;
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}
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}*/
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if (down_button.pressed()) {
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position++;
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if (position > stop)
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position = stop;
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bar_position = position - start;
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bar_position *= h - bar_size;
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bar_position /= stop - start;
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set_focus();
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}
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/* if ( down_button.position || (keyfocus && keyd_pressed[KEY_DOWN]) ) {
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if ( (timer_get_milliseconds() > last_scrolled + 50) || down_button.just_pressed() ) {
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if ( down_button.just_pressed() )
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last_scrolled = timer_get_milliseconds() + 300;
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else
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last_scrolled = timer_get_milliseconds();
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position++;
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if (position > stop )
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position = stop;
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bar_position = position-start;
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bar_position *= h-bar_size;
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bar_position /= (stop-start);
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}
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}*/
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OnMe = is_mouse_on();
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if (!B1_PRESSED)
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dragging = 0;
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OnSlider = 0;
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if ( (ui_mouse.y >= bar_position + y) && (ui_mouse.y < bar_position + y + bar_size) && OnMe )
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OnSlider = 1;
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if (B1_JUST_PRESSED && OnSlider) {
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dragging = 1;
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drag_x = ui_mouse.x;
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drag_y = ui_mouse.y;
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drag_starting = bar_position;
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set_focus();
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}
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if ( B1_PRESSED && OnMe && !OnSlider && (timer_get_milliseconds() > last_scrolled + 1000 / (18*4)) ) {
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last_scrolled = timer_get_milliseconds();
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if ( ui_mouse.y < bar_position+y ) {
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// Page Up
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position -= window_size;
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if (position < start)
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position = start;
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} else {
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// Page Down
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position += window_size;
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if (position > stop)
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position = stop;
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}
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bar_position = position - start;
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bar_position *= h - bar_size;
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bar_position /= stop - start;
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set_focus();
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}
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if (B1_PRESSED && dragging) {
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bar_position = drag_starting + ui_mouse.y - drag_y;
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if (bar_position < 0) {
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bar_position = 0;
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}
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if (bar_position > h - bar_size) {
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bar_position = h - bar_size;
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}
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position = bar_position;
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position *= stop - start;
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position /= h - bar_size;
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position += start;
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if (position > stop)
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position = stop;
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if (position < start)
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position = start;
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set_focus();
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}
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if (op != position)
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moved = 1;
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else
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moved = 0;
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}
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int UI_SCROLLBAR::getpos()
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{
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return position;
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}
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int UI_SCROLLBAR::changed()
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{
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return moved;
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}
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