167 lines
3.7 KiB
C
167 lines
3.7 KiB
C
/* $Id: popup.c,v 1.1.1.1 2006/03/17 19:52:22 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 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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#ifdef RCS
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static char rcsid[] = "$Id: popup.c,v 1.1.1.1 2006/03/17 19:52:22 zicodxx Exp $";
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#endif
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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 "event.h"
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#include "ui.h"
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#include "u_mem.h"
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#include "mouse.h"
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#define MENU_BORDER 2
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#define MENU_VERT_SPACING 2
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typedef struct popup
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{
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UI_GADGET_BUTTON *button_g[10];
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int *choice;
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int num_buttons;
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} popup;
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static int popup_handler(UI_DIALOG *dlg, d_event *event, popup *p)
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{
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short i;
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for (i=0; i<p->num_buttons; i++ )
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{
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if (GADGET_PRESSED(p->button_g[i]))
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{
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*(p->choice) = i+1;
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return 1;
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}
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}
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if ( (*(p->choice)==0) && B1_JUST_RELEASED )
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{
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*(p->choice) = -1;
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return 1;
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}
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return 0;
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}
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// Use: Left button (button 0) goes down, then up, then this is called
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// as opposed to straight after the button goes down, holding down
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// until an option is chosen.
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// This is like the 'modern' behaviour of popup menus and also happens
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// to be easier to implement because of the button code.
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// Recommended for use in conjunction with a button gadget,
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// i.e. when that button is pressed, call PopupMenu,
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// update the button's text then the value in question.
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int PopupMenu( int NumButtons, char * text[] )
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{
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UI_DIALOG * dlg;
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popup *p;
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char * Button[10];
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int button_width, button_height, width, height;
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short i, x, y;
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short w, h;
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int choice;
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MALLOC(p, popup, 1);
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p->num_buttons = NumButtons;
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p->choice = &choice;
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if ((NumButtons < 1) || (NumButtons>10))
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{
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d_free(p);
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return -1;
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}
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button_width = button_height = 0;
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gr_set_current_canvas( &grd_curscreen->sc_canvas );
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for (i=0; i<NumButtons; i++ )
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{
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Button[i] = text[i];
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ui_get_button_size( Button[i], &width, &height );
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if ( width > button_width ) button_width = width;
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if ( height > button_height ) button_height = height;
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}
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width = button_width + 2*(MENU_BORDER+3);
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height = (button_height*NumButtons) + (MENU_VERT_SPACING*(NumButtons-1)) ;
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height += (MENU_BORDER+3) * 2;
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{
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int mx, my, mz;
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mouse_get_pos(&mx, &my, &mz);
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x = mx - width/2;
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y = my - (MENU_BORDER+3) - button_height/2;
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}
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w = grd_curscreen->sc_w;
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h = grd_curscreen->sc_h;
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if (x < 0 ) {
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x = 0;
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//Mouse.x = x + width / 2;
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}
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if ( (x+width-1) >= w ) {
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x = w - width;
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//Mouse.x = x + width / 2;
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}
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if (y < 0 ) {
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y = 0;
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//Mouse.y = y + (MENU_BORDER+3) + button_height/2;
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}
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if ( (y+height-1) >= h ) {
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y = h - height;
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//Mouse.y = y + (MENU_BORDER+3) + button_height/2;
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}
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dlg = ui_create_dialog( x, y, width, height, DF_DIALOG | DF_MODAL, (int (*)(UI_DIALOG *, d_event *, void *))popup_handler, p );
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//mouse_set_pos(Mouse.x, Mouse.y);
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x = MENU_BORDER+3;
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y = MENU_BORDER+3;
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for (i=0; i<NumButtons; i++ )
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{
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p->button_g[i] = ui_add_gadget_button( dlg, x, y, button_width, button_height, Button[i], NULL );
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y += button_height+MENU_VERT_SPACING;
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}
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choice = 0;
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while(choice==0)
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event_process();
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ui_close_dialog(dlg);
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d_free(p);
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return choice;
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}
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