220 lines
4.8 KiB
C++
220 lines
4.8 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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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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#include <stdio.h>
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#include <stdarg.h>
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#include "maths.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 "mouse.h"
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#include "key.h"
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#include "u_mem.h"
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#include "dxxsconf.h"
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#include "compiler-array.h"
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#include "compiler-make_unique.h"
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// ts = total span
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// w = width of each item
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// n = number of items
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// i = item number (0 based)
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#define EVEN_DIVIDE(ts,w,n,i) ((((ts)-((w)*(n)))*((i)+1))/((n)+1))+((w)*(i))
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#define BUTTON_HORZ_SPACING 20
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#define TEXT_EXTRA_HEIGHT 5
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namespace {
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struct messagebox
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{
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const ui_messagebox_tie *button;
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array<std::unique_ptr<UI_GADGET_BUTTON>, 10> button_g;
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const char *text;
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int *choice;
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int width;
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int text_y;
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int line_y;
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};
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}
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static int messagebox_handler(UI_DIALOG *dlg,const d_event &event, messagebox *m)
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{
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if (event.type == EVENT_UI_DIALOG_DRAW)
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{
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const grs_font * temp_font;
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gr_set_current_canvas( &grd_curscreen->sc_canvas );
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temp_font = grd_curscreen->sc_canvas.cv_font;
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if (grd_curscreen->get_screen_width() < 640) {
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grd_curscreen->sc_canvas.cv_font = ui_small_font.get();
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}
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ui_dialog_set_current_canvas(dlg);
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ui_string_centered( m->width/2, m->text_y, m->text );
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gr_setcolor( CGREY );
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Hline(1, m->width-2, m->line_y+1 );
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gr_setcolor( CBRIGHT );
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Hline(2, m->width-2, m->line_y+2 );
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grd_curscreen->sc_canvas.cv_font = temp_font;
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return 1;
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}
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for (uint_fast32_t i=0; i < m->button->count(); i++ )
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{
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if (GADGET_PRESSED(m->button_g[i].get()))
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{
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*(m->choice) = i+1;
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return 1;
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}
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}
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return 0;
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}
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int (ui_messagebox)( short xc, short yc, const char * text, const ui_messagebox_tie &Button )
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{
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UI_DIALOG * dlg;
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int width, height, avg, x, y;
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int button_width, button_height, text_height, text_width;
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int w, h;
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int choice;
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auto m = make_unique<messagebox>();
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m->button = &Button;
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m->text = text;
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m->choice = &choice;
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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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w = grd_curscreen->get_screen_width();
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h = grd_curscreen->get_screen_height();
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for (uint_fast32_t i=0; i < Button.count(); i++ )
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{
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ui_get_button_size( Button.string(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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gr_get_string_size(text, &text_width, &text_height, &avg );
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width = button_width*Button.count();
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width += BUTTON_HORZ_SPACING*(Button.count()+1);
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width ++;
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text_width += avg*6;
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text_width += 10;
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if (text_width > width )
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width = text_width;
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height = text_height;
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height += button_height;
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height += 4*TEXT_EXTRA_HEIGHT;
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height += 2; // For line in middle
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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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if ( xc == -1 )
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xc = mx;
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if ( yc == -1 )
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yc = my - button_height/2;
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}
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if ( xc == -2 )
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xc = w/2;
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if ( yc == -2 )
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yc = h/2;
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x = xc - width/2;
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y = yc - height/2;
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if (x < 0 ) {
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x = 0;
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}
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if ( (x+width-1) >= w ) {
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x = w - width;
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}
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if (y < 0 ) {
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y = 0;
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}
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if ( (y+height-1) >= h ) {
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y = h - height;
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}
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dlg = ui_create_dialog(x, y, width, height, static_cast<dialog_flags>(DF_DIALOG | DF_MODAL), messagebox_handler, m.get());
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//ui_draw_line_in( MESSAGEBOX_BORDER, MESSAGEBOX_BORDER, width-MESSAGEBOX_BORDER, height-MESSAGEBOX_BORDER );
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y = TEXT_EXTRA_HEIGHT + text_height/2 - 1;
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m->width = width;
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m->text_y = y;
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y = 2*TEXT_EXTRA_HEIGHT + text_height;
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m->line_y = y;
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y = height - TEXT_EXTRA_HEIGHT - button_height;
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for (uint_fast32_t i=0; i < Button.count(); i++ )
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{
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x = EVEN_DIVIDE(width,button_width,Button.count(),i);
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m->button_g[i] = ui_add_gadget_button( dlg, x, y, button_width, button_height, Button.string(i), NULL );
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}
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ui_gadget_calc_keys(dlg);
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//key_flush();
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dlg->keyboard_focus_gadget = m->button_g[0].get();
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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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return choice;
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}
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