361 lines
7.8 KiB
C
361 lines
7.8 KiB
C
/* $Id: gadget.c,v 1.1.1.1 2006/03/17 19:52:21 zicodxx Exp $ */
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/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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#ifdef RCS
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static char rcsid[] = "$Id: gadget.c,v 1.1.1.1 2006/03/17 19:52:21 zicodxx Exp $";
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include "u_mem.h"
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#include "fix.h"
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#include "pstypes.h"
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#include "gr.h"
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#include "ui.h"
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#include "event.h"
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#include "mouse.h"
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#include "error.h"
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#include "key.h"
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UI_GADGET * selected_gadget;
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UI_GADGET * ui_gadget_add( UI_DIALOG * dlg, short kind, short x1, short y1, short x2, short y2 )
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{
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UI_GADGET * gadget;
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gadget = (UI_GADGET *) d_malloc(sizeof(UI_GADGET));
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if (gadget==NULL) Error("Could not create gadget: Out of memory");
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if (dlg->gadget == NULL )
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{
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dlg->gadget = gadget;
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gadget->prev = gadget;
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gadget->next = gadget;
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} else {
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dlg->gadget->prev->next = gadget;
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gadget->next = dlg->gadget;
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gadget->prev = dlg->gadget->prev;
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dlg->gadget->prev = gadget;
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}
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gadget->when_tab = NULL;
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gadget->when_btab = NULL;
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gadget->when_up = NULL;
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gadget->when_down = NULL;
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gadget->when_left = NULL;
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gadget->when_right = NULL;
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gadget->kind = kind;
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gadget->status = 1;
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gadget->oldstatus = 0;
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if ( x1==0 && x2==0 && y1==0 && y2== 0 )
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gadget->canvas = NULL;
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else
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gadget->canvas = gr_create_sub_canvas( dlg->canvas, x1, y1, x2-x1+1, y2-y1+1 );
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gadget->x1 = gadget->canvas->cv_bitmap.bm_x;
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gadget->y1 = gadget->canvas->cv_bitmap.bm_y;
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gadget->x2 = gadget->canvas->cv_bitmap.bm_x+x2-x1+1;
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gadget->y2 = gadget->canvas->cv_bitmap.bm_y+y2-y1+1;
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gadget->parent = NULL;
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gadget->hotkey = -1;
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return gadget;
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}
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void ui_gadget_delete_all( UI_DIALOG * dlg )
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{
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UI_GADGET * tmp;
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ui_pad_deactivate();
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while( dlg->gadget != NULL )
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{
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tmp = dlg->gadget;
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if (tmp->next == tmp )
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{
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dlg->gadget = NULL;
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} else {
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tmp->next->prev = tmp->prev;
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tmp->prev->next = tmp->next;
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dlg->gadget = tmp->next;
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}
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if (tmp->canvas)
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gr_free_sub_canvas( tmp->canvas );
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if (tmp->kind == 1 ) // Button
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{
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UI_GADGET_BUTTON * but1 = (UI_GADGET_BUTTON *)tmp;
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if (but1->text)
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d_free( but1->text );
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}
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if (tmp->kind == 6 ) // Inputbox
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{
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UI_GADGET_INPUTBOX * but1 = (UI_GADGET_INPUTBOX *)tmp;
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d_free( but1->text );
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}
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if (tmp->kind == 5 ) // Checkbox
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{
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UI_GADGET_CHECKBOX * but1 = (UI_GADGET_CHECKBOX *)tmp;
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d_free( but1->text );
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}
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if (tmp->kind == 9 ) // Icon
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{
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UI_GADGET_ICON * but1 = (UI_GADGET_ICON *)tmp;
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d_free( but1->text );
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}
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d_free( tmp );
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}
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}
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#if 1
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int is_under_another_window( UI_DIALOG * dlg, UI_GADGET * gadget )
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{
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UI_DIALOG * temp;
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temp = dlg->next;
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while( temp != NULL ) {
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if ( ( gadget->x1 > temp->x) &&
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( gadget->x1 < (temp->x+temp->width) ) &&
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( gadget->y1 > temp->y) &&
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( gadget->y1 < (temp->y+temp->height) )
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)
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{
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//gadget->status =1;
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return 1;
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}
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if ( ( gadget->x2 > temp->x) &&
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( gadget->x2 < (temp->x+temp->width) ) &&
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( gadget->y2 > temp->y) &&
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( gadget->y2 < (temp->y+temp->height) )
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)
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{
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//gadget->status =1;
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return 1;
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}
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temp = temp->next;
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}
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return 0;
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}
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#endif
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int ui_mouse_on_gadget( UI_GADGET * gadget )
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{
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int x, y, z;
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mouse_get_pos(&x, &y, &z);
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if ((x >= gadget->x1) && (x <= gadget->x2-1) && (y >= gadget->y1) && (y <= gadget->y2-1) )
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{
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#if 1
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if (is_under_another_window(CurWindow, gadget))
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return 0;
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#endif
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return 1;
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} else
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return 0;
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}
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int ui_dialog_do_gadgets(UI_DIALOG * dlg, d_event *event)
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{
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int keypress = 0;
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UI_GADGET * tmp, * tmp1;
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int rval = 0;
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CurWindow = dlg;
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if (event->type == EVENT_KEY_COMMAND)
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keypress = event_key_get(event);
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tmp = dlg->gadget;
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if (tmp == NULL) return 0;
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if (selected_gadget==NULL)
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selected_gadget = tmp;
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tmp1 = dlg->keyboard_focus_gadget;
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do
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{
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if (ui_mouse_on_gadget(tmp) && B1_JUST_PRESSED )
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{
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selected_gadget = tmp;
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if (tmp->parent!=NULL)
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{
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while (tmp->parent != NULL )
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tmp = tmp->parent;
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dlg->keyboard_focus_gadget = tmp;
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break;
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}
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else
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{
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dlg->keyboard_focus_gadget = tmp;
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break;
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}
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}
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if ( tmp->hotkey == keypress )
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{
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dlg->keyboard_focus_gadget = tmp;
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break;
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}
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tmp = tmp->next;
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} while( tmp != dlg->gadget );
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if (dlg->keyboard_focus_gadget != NULL)
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{
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switch (keypress )
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{
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case (KEY_TAB):
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if ( dlg->keyboard_focus_gadget->when_tab != NULL )
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dlg->keyboard_focus_gadget = dlg->keyboard_focus_gadget->when_tab;
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break;
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case (KEY_TAB+KEY_SHIFTED):
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if ( dlg->keyboard_focus_gadget->when_btab != NULL )
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dlg->keyboard_focus_gadget = dlg->keyboard_focus_gadget->when_btab;
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break;
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case (KEY_UP):
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if ( dlg->keyboard_focus_gadget->when_up != NULL )
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dlg->keyboard_focus_gadget = dlg->keyboard_focus_gadget->when_up;
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break;
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case (KEY_DOWN):
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if ( dlg->keyboard_focus_gadget->when_down != NULL )
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dlg->keyboard_focus_gadget = dlg->keyboard_focus_gadget->when_down;
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break;
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case (KEY_LEFT):
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if ( dlg->keyboard_focus_gadget->when_left != NULL )
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dlg->keyboard_focus_gadget = dlg->keyboard_focus_gadget->when_left;
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break;
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case (KEY_RIGHT):
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if ( dlg->keyboard_focus_gadget->when_right != NULL )
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dlg->keyboard_focus_gadget = dlg->keyboard_focus_gadget->when_right;
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break;
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}
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}
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if (dlg->keyboard_focus_gadget != tmp1)
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{
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if (dlg->keyboard_focus_gadget != NULL )
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dlg->keyboard_focus_gadget->status = 1;
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if (tmp1 != NULL )
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tmp1->status = 1;
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rval = 1;
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if (keypress)
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return rval;
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}
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tmp = dlg->gadget;
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do
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{
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if (!is_under_another_window( CurWindow, tmp )) // won't be a necessary check when the rval is set properly
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{
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UI_DIALOG *curwindow_save=CurWindow;
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switch( tmp->kind )
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{
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case 1:
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rval = ui_button_do( (UI_GADGET_BUTTON *)tmp, event );
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break;
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case 2:
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rval = ui_listbox_do( (UI_GADGET_LISTBOX *)tmp, event );
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break;
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case 3:
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rval = ui_scrollbar_do( (UI_GADGET_SCROLLBAR *)tmp, event );
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break;
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case 4:
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rval = ui_radio_do( (UI_GADGET_RADIO *)tmp, event );
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break;
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case 5:
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rval = ui_checkbox_do( (UI_GADGET_CHECKBOX *)tmp, event );
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break;
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case 6:
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rval = ui_inputbox_do( (UI_GADGET_INPUTBOX *)tmp, event );
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break;
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case 7:
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rval = ui_userbox_do( (UI_GADGET_USERBOX *)tmp, event );
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break;
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case 8:
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rval = ui_keytrap_do( (UI_GADGET_KEYTRAP *)tmp, event );
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break;
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case 9:
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rval = ui_icon_do( (UI_GADGET_ICON *)tmp, event );
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break;
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}
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CurWindow=curwindow_save;
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}
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tmp = tmp->next;
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} while(/* !rval && */tmp != dlg->gadget ); // FIXME: Have to loop through all the controls, because of controls within controls
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return rval;
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}
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UI_GADGET * ui_gadget_get_next( UI_GADGET * gadget )
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{
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UI_GADGET * tmp;
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tmp = gadget->next;
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while( tmp != gadget && (tmp->parent!=NULL) )
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tmp = tmp->next;
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return tmp;
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}
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UI_GADGET * ui_gadget_get_prev( UI_GADGET * gadget )
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{
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UI_GADGET * tmp;
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tmp = gadget->prev;
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while( tmp != gadget && (tmp->parent!=NULL) )
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tmp = tmp->prev;
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return tmp;
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}
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void ui_gadget_calc_keys( UI_DIALOG * dlg)
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{
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UI_GADGET * tmp;
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tmp = dlg->gadget;
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if (tmp==NULL) return;
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do
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{
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tmp->when_tab = ui_gadget_get_next(tmp);
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tmp->when_btab = ui_gadget_get_prev(tmp);
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tmp = tmp->next;
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} while( tmp != dlg->gadget );
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}
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