9631d319f6
Allow dcx::UI_DIALOG struct to be subclassed step 3. This step adds the destructor and makes sure the dialog is only deleted within the main dialog handler if the specific handler didn't return window_event_result::deleted.
490 lines
11 KiB
C++
490 lines
11 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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/*
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*
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* Windowing functions and controller.
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include "window.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 "gr.h"
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#include "ui.h"
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#include "key.h"
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#include "mouse.h"
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#include "timer.h"
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#include "dxxerror.h"
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#include "compiler-make_unique.h"
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namespace dcx {
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#define D_X (dlg->d_x)
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#define D_Y (dlg->d_y)
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#define D_WIDTH (dlg->d_width)
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#define D_HEIGHT (dlg->d_height)
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#define D_GADGET (dlg->d_gadget)
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#define D_TEXT_X (dlg->d_text_x)
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#define D_TEXT_Y (dlg->d_text_y)
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#ifndef __MSDOS__
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#define _disable()
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#define _enable()
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#endif
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#define BORDER_WIDTH 8
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static void ui_dialog_draw(UI_DIALOG *dlg)
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{
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int x, y, w, h;
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int req_w, req_h;
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x = D_X;
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y = D_Y;
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w = D_WIDTH;
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h = D_HEIGHT;
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req_w = w;
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req_h = h;
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if (dlg->d_flags & DF_BORDER)
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{
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req_w -= 2*BORDER_WIDTH;
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req_h -= 2*BORDER_WIDTH;
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gr_set_current_canvas( NULL );
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ui_draw_frame( x, y, x+w-1, y+h-1 );
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}
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ui_dialog_set_current_canvas(dlg);
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if (dlg->d_flags & DF_FILLED)
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ui_draw_box_out( 0, 0, req_w-1, req_h-1 );
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gr_set_fontcolor( CBLACK, CWHITE );
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}
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// The dialog handler borrows heavily from the newmenu_handler
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static window_event_result ui_dialog_handler(window *wind,const d_event &event, UI_DIALOG *dlg)
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{
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window_event_result rval{window_event_result::ignored};
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if (event.type == EVENT_WINDOW_CLOSED ||
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event.type == EVENT_WINDOW_ACTIVATED ||
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event.type == EVENT_WINDOW_DEACTIVATED)
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return window_event_result::ignored;
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if (dlg->d_callback)
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if ((rval = (*dlg->d_callback)(dlg, event, dlg->d_userdata)) == window_event_result::handled)
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return rval; // event handled
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if (!window_exists(wind))
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return window_event_result::handled;
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switch (event.type)
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{
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case EVENT_MOUSE_BUTTON_DOWN:
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case EVENT_MOUSE_BUTTON_UP:
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case EVENT_MOUSE_MOVED:
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/*return*/ ui_dialog_do_gadgets(dlg, event);
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if (!window_exists(wind))
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return window_event_result::handled;
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return mouse_in_window(dlg->wind);
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case EVENT_KEY_COMMAND:
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case EVENT_KEY_RELEASE:
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return ui_dialog_do_gadgets(dlg, event);
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case EVENT_IDLE:
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timer_delay2(50);
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return ui_dialog_do_gadgets(dlg, event);
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case EVENT_WINDOW_DRAW:
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{
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ui_dialog_draw(dlg);
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rval = ui_dialog_do_gadgets(dlg, event);
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if (rval != window_event_result::close)
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{
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d_event event2 = { EVENT_UI_DIALOG_DRAW };
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window_send_event(*wind, event2);
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}
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return rval;
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}
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case EVENT_WINDOW_CLOSE:
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if (rval != window_event_result::deleted) // check if handler already deleted dialog (e.g. if UI_DIALOG was subclassed)
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delete dlg;
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return window_event_result::ignored; // free the window in any case (until UI_DIALOG is subclass of window)
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default:
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return window_event_result::ignored;
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}
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}
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UI_DIALOG::UI_DIALOG(short x, short y, short w, short h, const enum dialog_flags flags, const ui_subfunction_t<void> callback, void *const userdata, const void *const createdata) :
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d_callback(callback), gadget(nullptr), keyboard_focus_gadget(nullptr), d_userdata(userdata), d_text_x(0), d_text_y(0), d_flags(flags)
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{
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int sw, sh, req_w, req_h;
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auto dlg = this;
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sw = grd_curscreen->get_screen_width();
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sh = grd_curscreen->get_screen_height();
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//mouse_set_limits(0, 0, sw - 1, sh - 1);
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req_w = w;
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req_h = h;
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if (flags & DF_BORDER)
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{
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x -= BORDER_WIDTH;
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y -= BORDER_WIDTH;
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w += 2*BORDER_WIDTH;
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h += 2*BORDER_WIDTH;
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}
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if ( x < 0 ) x = 0;
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if ( (x+w-1) >= sw ) x = sw - w;
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if ( y < 0 ) y = 0;
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if ( (y+h-1) >= sh ) y = sh - h;
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D_X = x;
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D_Y = y;
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D_WIDTH = w;
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D_HEIGHT = h;
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selected_gadget = NULL;
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dlg->wind = window_create(&grd_curscreen->sc_canvas,
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x + ((flags & DF_BORDER) ? BORDER_WIDTH : 0),
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y + ((flags & DF_BORDER) ? BORDER_WIDTH : 0),
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req_w, req_h, ui_dialog_handler, dlg, createdata);
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if (!(flags & DF_MODAL))
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window_set_modal(dlg->wind, 0); // make this window modeless, allowing events to propogate through the window stack
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}
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window *ui_dialog_get_window(UI_DIALOG *dlg)
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{
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return dlg->wind;
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}
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void ui_dialog_set_current_canvas(UI_DIALOG *dlg)
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{
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gr_set_current_canvas(window_get_canvas(*dlg->wind));
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}
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UI_DIALOG::~UI_DIALOG()
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{
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ui_gadget_delete_all(this);
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selected_gadget = NULL;
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}
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void ui_close_dialog( UI_DIALOG * dlg )
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{
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window_close(dlg->wind);
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}
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#if 0
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void restore_state()
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{
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_disable();
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for (int i=0; i<256; i++ )
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{
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keyd_pressed[i] = SavedState[i];
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}
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_enable();
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}
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void ui_mega_process()
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{
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int mx, my, mz;
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unsigned char k;
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event_process();
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switch( Record )
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{
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case 0:
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mouse_get_delta( &mx, &my, &mz );
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Mouse.new_dx = mx;
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Mouse.new_dy = my;
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Mouse.new_buttons = mouse_get_btns();
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last_keypress = key_inkey();
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if ( Mouse.new_buttons || last_keypress || Mouse.new_dx || Mouse.new_dy ) {
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last_event = timer_query();
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}
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break;
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case 1:
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if (ui_event_counter==0 )
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{
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EventBuffer[ui_event_counter].frame = 0;
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EventBuffer[ui_event_counter].type = 7;
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EventBuffer[ui_event_counter].data = ui_number_of_events;
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ui_event_counter++;
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}
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if (ui_event_counter==1 && (RecordFlags & UI_RECORD_MOUSE) )
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{
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Mouse.new_buttons = 0;
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EventBuffer[ui_event_counter].frame = FrameCount;
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EventBuffer[ui_event_counter].type = 6;
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EventBuffer[ui_event_counter].data = ((Mouse.y & 0xFFFF) << 16) | (Mouse.x & 0xFFFF);
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ui_event_counter++;
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}
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mouse_get_delta( &mx, &my, &mz );
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MouseDX = mx;
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MouseDY = my;
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MouseButtons = mouse_get_btns();
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Mouse.new_dx = MouseDX;
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Mouse.new_dy = MouseDY;
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if ((MouseDX != 0 || MouseDY != 0) && (RecordFlags & UI_RECORD_MOUSE) )
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{
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if (ui_event_counter < ui_number_of_events-1 )
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{
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EventBuffer[ui_event_counter].frame = FrameCount;
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EventBuffer[ui_event_counter].type = 1;
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EventBuffer[ui_event_counter].data = ((MouseDY & 0xFFFF) << 16) | (MouseDX & 0xFFFF);
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ui_event_counter++;
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} else {
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Record = 0;
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}
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}
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if ( (MouseButtons != Mouse.new_buttons) && (RecordFlags & UI_RECORD_MOUSE) )
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{
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Mouse.new_buttons = MouseButtons;
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if (ui_event_counter < ui_number_of_events-1 )
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{
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EventBuffer[ui_event_counter].frame = FrameCount;
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EventBuffer[ui_event_counter].type = 2;
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EventBuffer[ui_event_counter].data = MouseButtons;
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ui_event_counter++;
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} else {
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Record = 0;
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}
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}
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if ( keyd_last_pressed && (RecordFlags & UI_RECORD_KEYS) )
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{
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_disable();
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k = keyd_last_pressed;
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keyd_last_pressed= 0;
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_enable();
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if (ui_event_counter < ui_number_of_events-1 )
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{
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EventBuffer[ui_event_counter].frame = FrameCount;
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EventBuffer[ui_event_counter].type = 3;
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EventBuffer[ui_event_counter].data = k;
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ui_event_counter++;
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} else {
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Record = 0;
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}
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}
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if ( keyd_last_released && (RecordFlags & UI_RECORD_KEYS) )
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{
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_disable();
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k = keyd_last_released;
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keyd_last_released= 0;
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_enable();
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if (ui_event_counter < ui_number_of_events-1 )
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{
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EventBuffer[ui_event_counter].frame = FrameCount;
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EventBuffer[ui_event_counter].type = 4;
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EventBuffer[ui_event_counter].data = k;
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ui_event_counter++;
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} else {
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Record = 0;
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}
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}
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last_keypress = key_inkey();
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if (last_keypress == KEY_F12 )
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{
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ui_number_of_events = ui_event_counter;
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last_keypress = 0;
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Record = 0;
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break;
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}
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if ((last_keypress != 0) && (RecordFlags & UI_RECORD_KEYS) )
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{
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if (ui_event_counter < ui_number_of_events-1 )
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{
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EventBuffer[ui_event_counter].frame = FrameCount;
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EventBuffer[ui_event_counter].type = 5;
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EventBuffer[ui_event_counter].data = last_keypress;
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ui_event_counter++;
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} else {
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Record = 0;
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}
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}
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FrameCount++;
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break;
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case 2:
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case 3:
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Mouse.new_dx = 0;
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Mouse.new_dy = 0;
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Mouse.new_buttons = 0;
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last_keypress = 0;
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if ( keyd_last_pressed ) {
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_disable();
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k = keyd_last_pressed;
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keyd_last_pressed = 0;
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_disable();
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SavedState[k] = 1;
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}
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if ( keyd_last_released )
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{
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_disable();
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k = keyd_last_released;
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keyd_last_released = 0;
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_disable();
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SavedState[k] = 0;
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}
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if (key_inkey() == KEY_F12 )
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{
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restore_state();
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Record = 0;
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break;
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}
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if (EventBuffer==NULL) {
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restore_state();
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Record = 0;
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break;
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}
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while( (ui_event_counter < ui_number_of_events) && (EventBuffer[ui_event_counter].frame <= FrameCount) )
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{
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switch ( EventBuffer[ui_event_counter].type )
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{
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case 1: // Mouse moved
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Mouse.new_dx = EventBuffer[ui_event_counter].data & 0xFFFF;
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Mouse.new_dy = (EventBuffer[ui_event_counter].data >> 16) & 0xFFFF;
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break;
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case 2: // Mouse buttons changed
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Mouse.new_buttons = EventBuffer[ui_event_counter].data;
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break;
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case 3: // Key moved down
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keyd_pressed[ EventBuffer[ui_event_counter].data ] = 1;
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break;
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case 4: // Key moved up
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keyd_pressed[ EventBuffer[ui_event_counter].data ] = 0;
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break;
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case 5: // Key pressed
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last_keypress = EventBuffer[ui_event_counter].data;
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break;
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case 6: // Initial Mouse X position
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Mouse.x = EventBuffer[ui_event_counter].data & 0xFFFF;
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Mouse.y = (EventBuffer[ui_event_counter].data >> 16) & 0xFFFF;
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break;
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case 7:
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break;
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}
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ui_event_counter++;
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if (ui_event_counter >= ui_number_of_events )
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{
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Record = 0;
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restore_state();
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//( 0, "Done playing %d events.\n", ui_number_of_events );
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}
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}
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switch (Record)
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{
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case 2:
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{
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int next_frame;
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if ( ui_event_counter < ui_number_of_events )
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{
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next_frame = EventBuffer[ui_event_counter].frame;
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if ( (FrameCount+PlaybackSpeed) < next_frame )
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FrameCount = next_frame - PlaybackSpeed;
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else
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FrameCount++;
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} else {
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FrameCount++;
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}
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}
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break;
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case 3:
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if ( ui_event_counter < ui_number_of_events )
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FrameCount = EventBuffer[ui_event_counter].frame;
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else
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FrameCount++;
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break;
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default:
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FrameCount++;
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}
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}
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ui_mouse_process();
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}
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#endif // 0
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void (ui_dprintf_at)( UI_DIALOG * dlg, short x, short y, const char * format, ... )
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{
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char buffer[1000];
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va_list args;
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va_start(args, format );
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vsnprintf(buffer,sizeof(buffer),format,args);
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va_end(args);
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ui_dputs_at(dlg, x, y, buffer);
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}
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void ui_dputs_at( UI_DIALOG * dlg, short x, short y, const char * buffer )
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{
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ui_dialog_set_current_canvas( dlg );
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gr_string( x, y, buffer );
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}
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}
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