165 lines
3.8 KiB
C++
165 lines
3.8 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 <stdlib.h>
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#include <string.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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namespace {
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void ui_draw_userbox(UI_DIALOG &dlg, UI_GADGET_USERBOX &userbox)
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{
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#if 0 //ndef OGL
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if ( userbox->status==1 )
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#endif
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{
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gr_set_current_canvas(userbox.canvas);
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const uint8_t color = (dlg.keyboard_focus_gadget == &userbox)
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? CRED
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: CBRIGHT;
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gr_ubox(*grd_curcanv, -1, -1, userbox.width, userbox.height, color);
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}
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}
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}
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std::unique_ptr<UI_GADGET_USERBOX> ui_add_gadget_userbox(UI_DIALOG &dlg, short x, short y, short w, short h)
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{
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auto userbox = ui_gadget_add<UI_GADGET_USERBOX>(dlg, x, y, x + w - 1, y + h - 1);
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userbox->width = w;
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userbox->height = h;
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userbox->b1_held_down=0;
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userbox->b1_clicked=0;
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userbox->b1_double_clicked=0;
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userbox->b1_dragging=0;
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userbox->b1_drag_x1=0;
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userbox->b1_drag_y1=0;
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userbox->b1_drag_x2=0;
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userbox->b1_drag_y2=0;
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userbox->b1_done_dragging = 0;
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userbox->keypress = 0;
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userbox->mouse_onme = 0;
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userbox->mouse_x = 0;
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userbox->mouse_y = 0;
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userbox->bitmap = &(userbox->canvas->cv_bitmap);
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return userbox;
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}
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window_event_result UI_GADGET_USERBOX::event_handler(UI_DIALOG &dlg, const d_event &event)
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{
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int x, y, z;
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window_event_result rval = window_event_result::ignored;
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if (event.type == EVENT_WINDOW_DRAW)
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ui_draw_userbox(dlg, *this);
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const auto keypress = (event.type == EVENT_KEY_COMMAND)
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? event_key_get(event)
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: 0u;
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mouse_get_pos(&x, &y, &z);
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const auto OnMe = ui_mouse_on_gadget(*this);
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const auto olddrag = b1_held_down;
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mouse_onme = OnMe;
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mouse_x = x - x1;
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mouse_y = y - y1;
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b1_dragging = 0;
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b1_clicked = 0;
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if (OnMe)
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{
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if ( B1_JUST_PRESSED )
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{
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b1_held_down = 1;
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b1_drag_x1 = x - x1;
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b1_drag_y1 = y - y1;
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rval = 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 (b1_held_down)
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b1_clicked = 1;
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b1_held_down = 0;
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rval = window_event_result::handled;
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}
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if ( (event.type == EVENT_MOUSE_MOVED) && b1_held_down )
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{
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b1_dragging = 1;
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b1_drag_x2 = x - x1;
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b1_drag_y2 = y - y1;
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}
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if ( B1_DOUBLE_CLICKED )
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{
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b1_double_clicked = 1;
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rval = window_event_result::handled;
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}
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else
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b1_double_clicked = 0;
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}
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if (B1_JUST_RELEASED)
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b1_held_down = 0;
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b1_done_dragging = 0;
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if (olddrag==1 && b1_held_down==0 )
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{
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if ((b1_drag_x1 != b1_drag_x2) || (b1_drag_y1 != b1_drag_y2) )
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b1_done_dragging = 1;
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}
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if (dlg.keyboard_focus_gadget == this)
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{
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this->keypress = keypress;
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rval = window_event_result::handled;
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}
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if (b1_clicked || b1_dragging)
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{
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rval = ui_gadget_send_event(dlg, b1_clicked ? EVENT_UI_GADGET_PRESSED : EVENT_UI_USERBOX_DRAGGED, *this);
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if (rval == window_event_result::ignored)
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rval = window_event_result::handled;
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}
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return rval;
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}
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}
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