mirror of
https://github.com/electronicarts/CnC_Remastered_Collection
synced 2024-04-28 01:12:33 +12:00
03416d24e1
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
473 lines
23 KiB
C++
473 lines
23 KiB
C++
//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/* $Header: /CounterStrike/EDIT.CPP 1 3/03/97 10:24a Joe_bostic $ */
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : EDIT.CPP *
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* *
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* Programmer : Joe L. Bostic, Maria del Mar McCready Legg *
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* *
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* Start Date : 01/15/95 *
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* *
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* Last Update : June 25, 1995 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* EditClass::Action -- Handles input events. *
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* EditClass::Draw_Background -- Draw the background to the edit gadget. *
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* EditClass::Draw_Me -- Draws the edit box and embedded text. *
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* EditClass::Draw_Text -- Draws the edit gadget text. *
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* EditClass::EditClass -- Normal constructor for edit class object. *
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* EditClass::Handle_Key -- Handles keyboard input to edit gadget. *
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* EditClass::Set_Text -- Sets the text to the edit gadget. *
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* EditClass::~EditClass -- Default destructor for the edit gadget. *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "function.h"
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/***********************************************************************************************
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* EditClass::EditClass -- Normal constructor for edit class object. *
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* *
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* This is the normal constructor used to create an edit object. *
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* *
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* INPUT: id -- The ID number for this edit object. This is the ID number that will be *
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* returned by the Input() function when the <RETURN> key is pressed if this *
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* gadget has the keyboard input focus. *
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* *
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* text -- Reference to the text buffer that the edit gadget will modify as keyboard *
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* input is processed. The value that this buffer contains is the default *
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* text displayed. *
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* *
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* maxlen-- The maximum size of the text buffer specified. This length INCLUDES the *
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* trailing null character so a simple sizeof() function call can be used. *
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* *
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* flags -- These are the text print control flags. It is used to control how the *
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* text looks in the edit box. Use the normal TPF_??? flags. *
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* *
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* x,y -- The pixel coordinates of the upper left corner of the edit gadget area. *
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* *
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* w,h -- The pixel dimensions of the edit box. If either of these are no provided, *
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* or set to -1, then the dimension is determined from the string itself. *
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* *
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* sytle -- This style flag parameter control what kind of characters are allowed in *
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* the edit box. The initial string in the text buffer may contain illegal *
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* characters, but they are NOT removed regardless of this parameter. *
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* *
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* OUTPUT: none *
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* WARNINGS: none *
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* HISTORY: *
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* 01/05/1995 MML : Created. *
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* 01/21/1995 JLB : Modified. *
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*=============================================================================================*/
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EditClass::EditClass(int id, char * text, int max_len, TextPrintType flags, int x, int y, int w, int h, EditStyle style) :
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ControlClass (id, x, y, w, h, LEFTPRESS), String(text)
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{
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TextFlags = flags & ~(TPF_CENTER);
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EditFlags = style;
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Set_Text(text, max_len);
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Color = GadgetClass::Get_Color_Scheme();
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if (w == -1 || h == -1) {
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// PG_TO_FIX
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//Fancy_Text_Print(TXT_NONE, 0, 0, TBLACK, TBLACK, TextFlags);
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if (h == -1) {
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Height = FontHeight+1;
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}
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if (w == -1) {
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if (strlen(String) > 0) {
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Width = String_Pixel_Width(String) + 6;
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} else {
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Width = ((Char_Pixel_Width('X')+FontXSpacing) * (MaxLength+1)) + 2;
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}
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}
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}
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IsReadOnly = 0;
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}
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/***********************************************************************************************
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* EditClass::~EditClass -- Default destructor for the edit gadget. *
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* *
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* This default destructor removes the focus setting if it currently has it. *
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* *
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* INPUT: none *
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* *
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* OUTPUT: none *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 01/24/1995 JLB : Created. *
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*=============================================================================================*/
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EditClass::~EditClass(void)
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{
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if (Has_Focus()) {
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Clear_Focus();
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}
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}
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/***********************************************************************************************
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* EditClass::Set_Text -- Sets the text to the edit gadget. *
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* *
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* Use this routine to change the text that this edit gadget refers to. *
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* *
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* INPUT: text -- Reference to the character array that this edit gadget will be *
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* modifying. *
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* max_len -- The maximum size of the buffer that will be modified. *
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* *
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* OUTPUT: none *
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* WARNINGS: none *
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* HISTORY: *
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* 01/21/1995 JLB : Created. *
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*=============================================================================================*/
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void EditClass::Set_Text(char * text, int max_len)
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{
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String = text;
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MaxLength = max_len-1;
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Length = strlen(String);
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Flag_To_Redraw();
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}
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/***********************************************************************************************
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* EditClass::Draw_Me -- Draws the edit box and embedded text. *
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* *
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* This routine will render the edit box. This will show the box outline as well as any *
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* text it may contain. *
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* *
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* INPUT: forced -- Should the edit box be drawn even if it thinks it doesn't have to? *
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* *
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* OUTPUT: Was the edit box drawn? *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 06/25/1995 JLB : Created. *
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*=============================================================================================*/
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int EditClass::Draw_Me(int forced)
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{
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if (ControlClass::Draw_Me(forced)) {
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/*
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** Hide the mouse.
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*/
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if (LogicPage == &SeenBuff) {
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Conditional_Hide_Mouse(X, Y, X+Width, Y+Height);
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}
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/*
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** Draw the body & set text color.
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*/
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Draw_Background();
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/*
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** Display the text.
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*/
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Draw_Text(String);
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/*
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** Display the mouse.
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*/
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if (LogicPage == &SeenBuff) {
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Conditional_Show_Mouse();
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}
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return(true);
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}
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return(false);
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}
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/***********************************************************************************************
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* EditClass::Action -- Handles input events. *
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* *
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* This routine will handle all mouse and keyboard events directed at this edit box *
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* gadget. For keyboard events, this will insert the characters into the edit box. *
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* *
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* INPUT: flags -- The event flag that triggered this function call. *
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* *
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* key -- Reference to the keyboard/mouse event that triggered this function call. *
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* *
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* OUTPUT: Should the list be processed further? *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 06/25/1995 JLB : Created. *
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*=============================================================================================*/
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int EditClass::Action(unsigned flags, KeyNumType & key)
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{
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/*
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** If this is a read-only edit box, it's a display-only device
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*/
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if (IsReadOnly) {
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return(false);
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}
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/*
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** If the left mouse button is pressed over this gadget, then set the focus to
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** this gadget. The event flag is cleared so that no button ID number is returned.
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*/
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if ((flags & LEFTPRESS)) {
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flags &= ~LEFTPRESS;
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Set_Focus();
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Flag_To_Redraw(); // force to draw cursor
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}
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/*
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** Handle keyboard events here. Normally, the key is added to the string, but if the
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** RETURN key is pressed, then the button ID number is returned from the Input()
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** function.
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*/
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if ((flags & KEYBOARD) && Has_Focus()) {
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/*
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** Process the keyboard character. If indicated, consume this keyboard event
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** so that the edit gadget ID number is not returned.
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*/
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if (key == KN_ESC) {
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Clear_Focus();
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flags = 0;
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} else {
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#ifdef WIN32
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KeyASCIIType ascii = (KeyASCIIType)(Keyboard->To_ASCII(key) & 0xff);
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/*
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** Allow numeric keypad presses to map to ascii numbers
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*/
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if ((key & WWKEY_VK_BIT) && ascii >='0' && ascii <= '9') {
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key = (KeyNumType)(key & ~WWKEY_VK_BIT);
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if ( (!(flags & LEFTRELEASE)) && (!(flags & RIGHTRELEASE))) {
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if (Handle_Key (ascii) ) {
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flags &= ~KEYBOARD;
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key = KN_NONE;
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}
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}
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} else {
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/*
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** Filter out all special keys except return and backspace
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*/ if ((!(key & WWKEY_VK_BIT) && ascii >= ' ' && ascii <= 255)
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|| key == KN_RETURN || key == KN_BACKSPACE) {
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if ((!(flags & LEFTRELEASE)) && (!(flags & RIGHTRELEASE))) {
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if (Handle_Key(Keyboard->To_ASCII(key))) {
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flags &= ~KEYBOARD;
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key = KN_NONE;
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}
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}
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} else {
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flags &= ~KEYBOARD;
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key = KN_NONE;
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}
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}
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}
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#else //WIN32
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if (Handle_Key(Keyboard->To_ASCII(key))) {
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flags &= ~KEYBOARD;
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key = KN_NONE;
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}
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}
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#endif //WIN32
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}
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return(ControlClass::Action(flags, key));
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}
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/***********************************************************************************************
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* EditClass::Draw_Background -- Draw the background to the edit gadget. *
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* *
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* This routine will redraw the edit gadget background. The overlaying text is handled by *
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* a different routine. The mouse is guaranteed to be hidden when this routine is called. *
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* *
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* INPUT: none *
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* *
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* OUTPUT: none *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 01/21/1995 JLB : Created. *
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*=============================================================================================*/
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void EditClass::Draw_Background(void)
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{
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Draw_Box (X, Y, Width, Height, BOXSTYLE_BOX, true);
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}
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/***********************************************************************************************
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* EditClass::Draw_Text -- Draws the edit gadget text. *
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* *
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* This routine is called when the edit gadget text needs to be drawn. The background has *
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* already been drawn by the time this function is called. The mouse is guaranteed to be *
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* hidden as well. *
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* *
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* INPUT: text -- The text to draw in the edit gadget. *
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* *
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* OUTPUT: none *
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* *
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* WARNINGS: none *
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* *
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* HISTORY: *
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* 01/21/1995 JLB : Created. *
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*=============================================================================================*/
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void EditClass::Draw_Text(char const * text)
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{
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TextPrintType flags;
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if (Has_Focus()) {
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flags = TPF_BRIGHT_COLOR;
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} else {
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flags = (TextPrintType)0;
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}
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Conquer_Clip_Text_Print(text, X+1, Y+1, Color, TBLACK, TextFlags | flags, Width-2);
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if (Has_Focus() && (int)strlen(text) < MaxLength &&
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((int)String_Pixel_Width(text) + (int)String_Pixel_Width ("_") < Width-2) ) {
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Conquer_Clip_Text_Print( "_", X+1+String_Pixel_Width(text), Y+1, Color, TBLACK, TextFlags | flags);
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}
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}
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/***********************************************************************************************
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* EditClass::Handle_Key -- Handles keyboard input to edit gadget. *
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* *
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* This is the gruntwork routine that processes keyboard input to the edit gadget. This *
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* routine will be called when keyboard input has been detected and this gadget has the *
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* current focus. *
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* *
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* INPUT: ascii -- The ASCII key code that was fetched from the keyboard buffer. *
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* *
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* OUTPUT: bool; Should this keyboard input NOT cause the gadget ID number to be returned *
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* from the controlling Input() routine? Typically, the return value would be *
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* true unless the focus is lost due to the <RETURN> key being pressed. *
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* *
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* WARNINGS: none *
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* HISTORY: *
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* 01/21/1995 JLB : Created. *
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*=============================================================================================*/
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bool EditClass::Handle_Key(KeyASCIIType ascii)
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{
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switch (ascii) {
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/*
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** Handle the special case of a non-keyboard event. It is possible that this
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** key code might be passed to this routine if this routine has been overridden
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** and the key event was consumed.
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*/
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case 0:
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break;
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/*
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** If the return key is pressed, then remove the focus from this edit
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** gadget but otherwise let the normal gadget processing proceed. This
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** causes the gadget ID number to be returned from the Input() function
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** so that the controlling program will know that the text can be
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** processed.
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*/
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case KA_RETURN:
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Clear_Focus();
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return(false);
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/*
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** When the BACKSPACE key is pressed, remove the last character in the edit string.
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*/
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case KA_BACKSPACE:
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if (Length) {
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Length--;
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String[Length] = '\0';
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Flag_To_Redraw();
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}
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break;
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/*
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** If the keyboard event was not a recognized special key, then examine to see
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** if it can legally be added to the edit string and do so if possible.
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*/
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default:
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/*
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** Don't add a character if the length is greater than edit width.
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*/
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if (((int)String_Pixel_Width(String) + (int)Char_Pixel_Width(ascii) ) >= (Width-2)) {
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break;
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}
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/*
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** Don't add a character if the length is already at maximum.
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*/
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if (Length >= MaxLength) break;
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/*
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** Invisible characters are never added to the string. This is
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** especially true for spaces at the beginning of the string.
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*/
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if (!isgraph(ascii) && ascii != ' ') break;
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if (ascii == ' ' && Length == 0) break;
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/*
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** If this is an upper case only edit gadget, then force the alphabetic
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** character to upper case.
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*/
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if ((EditFlags & UPPERCASE) && isalpha(ascii)) {
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ascii = (KeyASCIIType)toupper(ascii);
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}
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if ((!(EditFlags & NUMERIC) || !isdigit(ascii)) &&
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(!(EditFlags & ALPHA) || !isalpha(ascii)) &&
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(!(EditFlags & MISC) || isalnum(ascii)) &&
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ascii != ' ') {
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break;
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}
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/*
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** The character passed all legality checks, so add it to the edit string
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** and flag this gadget to be redrawn. The manual flag to redraw is needed
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** because the event flag has been cleared. This prevents the gadget's ID
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** number from being returned just because the gadget has been edited.
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*/
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String[Length++] = ascii;
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String[Length] = '\0';
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Flag_To_Redraw();
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break;
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}
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return(true);
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}
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void EditClass::Set_Focus(void)
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{
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Length = 0;
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if (String) {
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Length = strlen(String);
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}
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ControlClass::Set_Focus();
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}
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