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dxx-rebirth/ui/listbox.c

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initial import
2006-03-20 17:12:09 +00:00
/* $Id: listbox.c,v 1.1.1.1 2006/03/17 19:52:20 zicodxx Exp $ */
/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
*/
#ifdef RCS
static char rcsid[] = "$Id: listbox.c,v 1.1.1.1 2006/03/17 19:52:20 zicodxx Exp $";
#endif
#include <stdlib.h>
#include "fix.h"
#include "pstypes.h"
Pass the event to the individual gadgets' 'do' functions, fix compile warnings introduced in last commit
2011-10-25 01:39:35 +00:00
#include "event.h"
initial import
2006-03-20 17:12:09 +00:00
#include "gr.h"
#include "ui.h"
#include "key.h"
#include "timer.h"
void ui_draw_listbox( UI_GADGET_LISTBOX * listbox )
{
int i, x, y, stop;
int w, h, aw;
//if (listbox->current_item<0)
// listbox->current_item=0;
//if (listbox->current_item>=listbox->num_items)
// listbox->current_item = listbox->num_items-1;
//if (listbox->first_item<0)
// listbox->first_item=0;
//if (listbox->first_item>(listbox->num_items-listbox->num_items_displayed))
// listbox->first_item=(listbox->num_items-listbox->num_items_displayed);
if ((listbox->status!=1) && !listbox->moved )
return;
stop = listbox->first_item+listbox->num_items_displayed;
if (stop>listbox->num_items) stop = listbox->num_items;
listbox->status = 0;
x = y = 0;
ui_mouse_hide();
gr_set_current_canvas( listbox->canvas );
for (i= listbox->first_item; i< stop; i++ )
{
if (i !=listbox->current_item)
{
if ((listbox->current_item == -1) && (CurWindow->keyboard_focus_gadget == (UI_GADGET *)listbox) && (i == listbox->first_item) )
gr_set_fontcolor( CRED, CBLACK );
else
gr_set_fontcolor( CWHITE, CBLACK );
}
else
{
if (CurWindow->keyboard_focus_gadget == (UI_GADGET *)listbox)
gr_set_fontcolor( CRED, CGREY );
else
gr_set_fontcolor( CBLACK, CGREY );
}
gr_string(x + 2, y, listbox->list[i]);
gr_get_string_size(listbox->list[i], &w, &h, &aw);
if (i==listbox->current_item)
gr_setcolor( CGREY );
else
gr_setcolor( CBLACK );
if (x + w + 2 < listbox->width - 1)
gr_rect(x + w + 2, y, listbox->width - 1, y + h - 1);
gr_rect( x, y, x+1, y+h-1 );
y += h;
}
if (stop < listbox->num_items_displayed-1 )
{
gr_setcolor(CBLACK);
gr_rect( x, y, listbox->width-1, listbox->height-1 );
}
//gr_ubox( -1, -1, listbox->width, listbox->height);
ui_mouse_show();
}
void gr_draw_sunken_border( short x1, short y1, short x2, short y2 )
{
gr_setcolor( CGREY );
Hline( x1-1, x2+1, y1-1);
Vline( y1-1, y2+1, x1-1);
gr_setcolor( CBRIGHT );
Hline( x1-1, x2+1, y2+1);
Vline( y1, y2+1, x2+1);
}
Rename ui/window.c to ui/dialog.c to avoid confusion with arch/sdl/window.c, also rename UI_WINDOW to UI_DIALOG, rename all associated functions, constants, parameters, local variables etc too; make a window when making a UI_DIALOG (does nothing yet)
2011-01-17 14:42:18 +00:00
UI_GADGET_LISTBOX * ui_add_gadget_listbox(UI_DIALOG *dlg, short x, short y, short w, short h, short numitems, char **list)
initial import
2006-03-20 17:12:09 +00:00
{
int tw, th, taw, i;
UI_GADGET_LISTBOX * listbox;
gr_get_string_size("*", &tw, &th, &taw );
i = h / th;
h = i * th;
Rename ui/window.c to ui/dialog.c to avoid confusion with arch/sdl/window.c, also rename UI_WINDOW to UI_DIALOG, rename all associated functions, constants, parameters, local variables etc too; make a window when making a UI_DIALOG (does nothing yet)
2011-01-17 14:42:18 +00:00
listbox = (UI_GADGET_LISTBOX *)ui_gadget_add( dlg, 2, x, y, x+w-1, y+h-1 );
initial import
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listbox->list = list;
listbox->width = w;
listbox->height = h;
listbox->num_items = numitems;
listbox->num_items_displayed = i;
listbox->first_item = 0;
listbox->current_item = -1;
listbox->last_scrolled = 0;
listbox->textheight = th;
listbox->dragging = 0;
listbox->selected_item = -1;
listbox->moved = 1;
Rename ui/window.c to ui/dialog.c to avoid confusion with arch/sdl/window.c, also rename UI_WINDOW to UI_DIALOG, rename all associated functions, constants, parameters, local variables etc too; make a window when making a UI_DIALOG (does nothing yet)
2011-01-17 14:42:18 +00:00
listbox->scrollbar = ui_add_gadget_scrollbar( dlg, x+w+3, y, 0, h, 0, numitems-i, 0, i );
initial import
2006-03-20 17:12:09 +00:00
listbox->scrollbar->parent = (UI_GADGET *)listbox;
gr_set_current_canvas( listbox->canvas );
gr_setcolor(CBLACK);
gr_rect( 0, 0, w-1, h-1);
gr_draw_sunken_border( -2, -2, w+listbox->scrollbar->width+4, h+1);
return listbox;
}
Pass the event to the individual gadgets' 'do' functions, fix compile warnings introduced in last commit
2011-10-25 01:39:35 +00:00
int ui_listbox_do( UI_GADGET_LISTBOX * listbox, d_event *event )
initial import
2006-03-20 17:12:09 +00:00
{
int OnMe, mitem, oldfakepos, kf;
Pass the event to the individual gadgets' 'do' functions, fix compile warnings introduced in last commit
2011-10-25 01:39:35 +00:00
int keypress = 0;
int rval = 0;
if (event->type == EVENT_KEY_COMMAND)
keypress = event_key_get(event);
initial import
2006-03-20 17:12:09 +00:00
listbox->selected_item = -1;
listbox->moved = 0;
if (listbox->num_items < 1 ) {
listbox->current_item = -1;
listbox->first_item = 0;
listbox->old_current_item = listbox->current_item;
listbox->old_first_item = listbox->first_item;
ui_draw_listbox( listbox );
if (CurWindow->keyboard_focus_gadget == (UI_GADGET *)listbox)
{
CurWindow->keyboard_focus_gadget = ui_gadget_get_next((UI_GADGET *)listbox);
}
Pass the event to the individual gadgets' 'do' functions, fix compile warnings introduced in last commit
2011-10-25 01:39:35 +00:00
return rval;
initial import
2006-03-20 17:12:09 +00:00
}
listbox->old_current_item = listbox->current_item;
listbox->old_first_item = listbox->first_item;
OnMe = ui_mouse_on_gadget( (UI_GADGET *)listbox );
if (listbox->scrollbar->moved )
{
listbox->moved = 1;
listbox->first_item = listbox->scrollbar->position;
if (listbox->current_item<listbox->first_item)
listbox->current_item = listbox->first_item;
if (listbox->current_item>(listbox->first_item+listbox->num_items_displayed-1))
listbox->current_item = listbox->first_item + listbox->num_items_displayed-1;
}
if (!B1_PRESSED )
listbox->dragging = 0;
if (B1_PRESSED && OnMe )
listbox->dragging = 1;
if ( CurWindow->keyboard_focus_gadget==(UI_GADGET *)listbox )
{
if (keypress==KEY_ENTER) {
listbox->selected_item = listbox->current_item;
}
kf = 0;
switch(keypress)
{
case (KEY_UP):
listbox->current_item--;
kf = 1;
break;
case (KEY_DOWN):
listbox->current_item++;
kf = 1;
break;
case (KEY_HOME):
listbox->current_item=0;
kf = 1;
break;
case (KEY_END):
listbox->current_item=listbox->num_items-1;
kf = 1;
break;
case (KEY_PAGEUP):
listbox->current_item -= listbox->num_items_displayed;
kf = 1;
break;
case (KEY_PAGEDOWN):
listbox->current_item += listbox->num_items_displayed;
kf = 1;
break;
}
if (kf==1)
{
listbox->moved = 1;
if (listbox->current_item<0)
listbox->current_item=0;
if (listbox->current_item>=listbox->num_items)
listbox->current_item = listbox->num_items-1;
if (listbox->current_item<listbox->first_item)
listbox->first_item = listbox->current_item;
if (listbox->current_item>=(listbox->first_item+listbox->num_items_displayed))
listbox->first_item = listbox->current_item-listbox->num_items_displayed+1;
if (listbox->num_items <= listbox->num_items_displayed )
listbox->first_item = 0;
else
{
oldfakepos = listbox->scrollbar->position;
listbox->scrollbar->position = listbox->first_item;
listbox->scrollbar->fake_position = listbox->scrollbar->position-listbox->scrollbar->start;
listbox->scrollbar->fake_position *= listbox->scrollbar->height-listbox->scrollbar->fake_size;
listbox->scrollbar->fake_position /= (listbox->scrollbar->stop-listbox->scrollbar->start);
if (listbox->scrollbar->fake_position<0)
{
listbox->scrollbar->fake_position = 0;
}
if (listbox->scrollbar->fake_position > (listbox->scrollbar->height-listbox->scrollbar->fake_size))
{
listbox->scrollbar->fake_position = (listbox->scrollbar->height-listbox->scrollbar->fake_size);
}
if (oldfakepos != listbox->scrollbar->position )
listbox->scrollbar->status = 1;
}
}
}
if (selected_gadget==(UI_GADGET *)listbox)
{
if (B1_PRESSED && listbox->dragging)
{
if (Mouse.y < listbox->y1)
mitem = -1;
else
mitem = (Mouse.y - listbox->y1)/listbox->textheight;
Introduced new data type fix64 to be used for new timers which can last 4462756 years instead of 9 hours; Introduced new timer functions to update and query program time; Used new timer all over the program except GameTime (which comes next)
2010-12-10 23:18:17 +00:00
if ((mitem < 0) && (timer_query() > listbox->last_scrolled + 1))
initial import
2006-03-20 17:12:09 +00:00
{
listbox->current_item--;
Introduced new data type fix64 to be used for new timers which can last 4462756 years instead of 9 hours; Introduced new timer functions to update and query program time; Used new timer all over the program except GameTime (which comes next)
2010-12-10 23:18:17 +00:00
listbox->last_scrolled = timer_query();
initial import
2006-03-20 17:12:09 +00:00
listbox->moved = 1;
}
if ((mitem >= listbox->num_items_displayed) &&
Introduced new data type fix64 to be used for new timers which can last 4462756 years instead of 9 hours; Introduced new timer functions to update and query program time; Used new timer all over the program except GameTime (which comes next)
2010-12-10 23:18:17 +00:00
(timer_query() > listbox->last_scrolled + 1))
initial import
2006-03-20 17:12:09 +00:00
{
listbox->current_item++;
Introduced new data type fix64 to be used for new timers which can last 4462756 years instead of 9 hours; Introduced new timer functions to update and query program time; Used new timer all over the program except GameTime (which comes next)
2010-12-10 23:18:17 +00:00
listbox->last_scrolled = timer_query();
initial import
2006-03-20 17:12:09 +00:00
listbox->moved = 1;
}
if ((mitem>=0) && (mitem<listbox->num_items_displayed))
{
listbox->current_item = mitem+listbox->first_item;
listbox->moved=1;
}
if (listbox->current_item <0 )
listbox->current_item = 0;
if (listbox->current_item >= listbox->num_items )
listbox->current_item = listbox->num_items-1;
if (listbox->current_item<listbox->first_item)
listbox->first_item = listbox->current_item;
if (listbox->current_item>=(listbox->first_item+listbox->num_items_displayed))
listbox->first_item = listbox->current_item-listbox->num_items_displayed+1;
if (listbox->num_items <= listbox->num_items_displayed )
listbox->first_item = 0;
else
{
oldfakepos = listbox->scrollbar->position;
listbox->scrollbar->position = listbox->first_item;
listbox->scrollbar->fake_position = listbox->scrollbar->position-listbox->scrollbar->start;
listbox->scrollbar->fake_position *= listbox->scrollbar->height-listbox->scrollbar->fake_size;
listbox->scrollbar->fake_position /= (listbox->scrollbar->stop-listbox->scrollbar->start);
if (listbox->scrollbar->fake_position<0)
{
listbox->scrollbar->fake_position = 0;
}
if (listbox->scrollbar->fake_position > (listbox->scrollbar->height-listbox->scrollbar->fake_size))
{
listbox->scrollbar->fake_position = (listbox->scrollbar->height-listbox->scrollbar->fake_size);
}
if (oldfakepos != listbox->scrollbar->position )
listbox->scrollbar->status = 1;
}
}
if (B1_DOUBLE_CLICKED )
{
listbox->selected_item = listbox->current_item;
}
}
ui_draw_listbox( listbox );
Pass the event to the individual gadgets' 'do' functions, fix compile warnings introduced in last commit
2011-10-25 01:39:35 +00:00
return rval;
initial import
2006-03-20 17:12:09 +00:00
}
Rename ui/window.c to ui/dialog.c to avoid confusion with arch/sdl/window.c, also rename UI_WINDOW to UI_DIALOG, rename all associated functions, constants, parameters, local variables etc too; make a window when making a UI_DIALOG (does nothing yet)
2011-01-17 14:42:18 +00:00
void ui_listbox_change(UI_DIALOG *dlg, UI_GADGET_LISTBOX *listbox, short numitems, char **list)
initial import
2006-03-20 17:12:09 +00:00
{
int stop, start;
UI_GADGET_SCROLLBAR * scrollbar;
Rename ui/window.c to ui/dialog.c to avoid confusion with arch/sdl/window.c, also rename UI_WINDOW to UI_DIALOG, rename all associated functions, constants, parameters, local variables etc too; make a window when making a UI_DIALOG (does nothing yet)
2011-01-17 14:42:18 +00:00
dlg = dlg;
initial import
2006-03-20 17:12:09 +00:00
listbox->list = list;
listbox->num_items = numitems;
listbox->first_item = 0;
listbox->current_item = -1;
Introduced new data type fix64 to be used for new timers which can last 4462756 years instead of 9 hours; Introduced new timer functions to update and query program time; Used new timer all over the program except GameTime (which comes next)
2010-12-10 23:18:17 +00:00
listbox->last_scrolled = timer_query();
initial import
2006-03-20 17:12:09 +00:00
listbox->dragging = 0;
listbox->selected_item = -1;
listbox->status = 1;
listbox->first_item = 0;
listbox->current_item = listbox->old_current_item = 0;
listbox->moved = 0;
scrollbar = listbox->scrollbar;
start=0;
stop= numitems - listbox->num_items_displayed;
if (stop < start) stop = start;
scrollbar->horz = 0;
scrollbar->start = start;
scrollbar->stop = stop;
scrollbar->fake_length = scrollbar->height;
scrollbar->fake_position = 0;
if (stop!=start)
scrollbar->fake_size = (listbox->num_items_displayed * scrollbar->height)/(stop-start+1+listbox->num_items_displayed);
else
scrollbar->fake_size = scrollbar->height;
if (scrollbar->fake_size < 7) scrollbar->fake_size = 7;
scrollbar->dragging = 0;
scrollbar->moved=0;
scrollbar->status=1;
}
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