149 lines
3.9 KiB
C++
149 lines
3.9 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 <stdlib.h>
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#include <string.h>
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#include "u_mem.h"
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#include "maths.h"
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#include "pstypes.h"
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#include "event.h"
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#include "gr.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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namespace dcx {
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#define Middle(x) ((2*(x)+1)/4)
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namespace {
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void ui_draw_checkbox(UI_DIALOG &dlg, UI_GADGET_CHECKBOX &checkbox)
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{
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#if 0 //ndef OGL
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if ((checkbox.status==1) || (checkbox.position != checkbox.oldposition))
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#endif
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{
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gr_set_current_canvas(checkbox.canvas);
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auto &canvas = *grd_curcanv;
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gr_set_fontcolor(canvas, dlg.keyboard_focus_gadget == &checkbox
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? CRED
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: CBLACK, -1);
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unsigned offset;
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if (checkbox.position == 0)
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{
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ui_draw_box_out(canvas, 0, 0, checkbox.width - 1, checkbox.height - 1);
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offset = 0;
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} else {
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ui_draw_box_in(canvas, 0, 0, checkbox.width - 1, checkbox.height - 1);
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offset = 1;
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}
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ui_string_centered(canvas, Middle(checkbox.width) + offset, Middle(checkbox.height) + offset, checkbox.flag ? "X" : " ");
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gr_ustring(canvas, *canvas.cv_font, checkbox.width + 4, 2, checkbox.text.get());
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}
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}
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}
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std::unique_ptr<UI_GADGET_CHECKBOX> ui_add_gadget_checkbox(UI_DIALOG &dlg, short x, short y, short w, short h, short group, const char *const text)
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{
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auto checkbox = ui_gadget_add<UI_GADGET_CHECKBOX>(dlg, x, y, x + w - 1, y + h - 1);
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auto ltext = strlen(text) + 1;
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MALLOC(checkbox->text, char[], ltext + 4);
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memcpy(checkbox->text.get(), text, ltext);
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checkbox->width = w;
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checkbox->height = h;
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checkbox->position = 0;
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checkbox->oldposition = 0;
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checkbox->pressed = 0;
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checkbox->flag = 0;
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checkbox->group = group;
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return checkbox;
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}
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window_event_result UI_GADGET_CHECKBOX::event_handler(UI_DIALOG &dlg, const d_event &event)
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{
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oldposition = position;
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pressed = 0;
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if (event.type == EVENT_MOUSE_BUTTON_DOWN || event.type == EVENT_MOUSE_BUTTON_UP)
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{
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const auto OnMe = ui_mouse_on_gadget(*this);
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if (B1_JUST_PRESSED && OnMe)
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{
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position = 1;
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return window_event_result::handled;
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}
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else if (B1_JUST_RELEASED)
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{
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if ((position==1) && OnMe)
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pressed = 1;
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position = 0;
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}
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}
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if (event.type == EVENT_KEY_COMMAND)
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{
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const auto key = event_key_get(event);
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if (dlg.keyboard_focus_gadget == this && (key == KEY_SPACEBAR || key == KEY_ENTER))
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{
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position = 2;
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return window_event_result::handled;
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}
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}
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else if (event.type == EVENT_KEY_RELEASE)
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{
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const auto key = event_key_get(event);
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position = 0;
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if (dlg.keyboard_focus_gadget == this && (key == KEY_SPACEBAR || key == KEY_ENTER))
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pressed = 1;
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}
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if (pressed == 1)
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{
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flag ^= 1;
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auto rval = ui_gadget_send_event(dlg, EVENT_UI_GADGET_PRESSED, *this);
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if (rval == window_event_result::ignored)
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rval = window_event_result::handled;
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return rval;
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}
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if (event.type == EVENT_WINDOW_DRAW)
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ui_draw_checkbox(dlg, *this);
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return window_event_result::ignored;
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}
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void ui_checkbox_check(UI_GADGET_CHECKBOX * checkbox, int check)
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{
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check = check != 0;
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if (checkbox->flag == check)
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return;
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checkbox->flag = check;
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}
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}
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