doom3-bfg/neo/ui/SliderWindow.cpp
2012-11-26 12:58:24 -06:00

410 lines
9.8 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#pragma hdrstop
#include "../idlib/precompiled.h"
#include "DeviceContext.h"
#include "Window.h"
#include "UserInterfaceLocal.h"
#include "SliderWindow.h"
/*
============
idSliderWindow::CommonInit
============
*/
void idSliderWindow::CommonInit() {
value = 0.0;
low = 0.0;
high = 100.0;
stepSize = 1.0;
thumbMat = declManager->FindMaterial("_default");
buddyWin = NULL;
cvar = NULL;
cvar_init = false;
liveUpdate = true;
vertical = false;
scrollbar = false;
verticalFlip = false;
}
idSliderWindow::idSliderWindow(idUserInterfaceLocal *g) : idWindow(g) {
gui = g;
CommonInit();
}
idSliderWindow::~idSliderWindow() {
}
bool idSliderWindow::ParseInternalVar(const char *_name, idTokenParser *src) {
if (idStr::Icmp(_name, "stepsize") == 0 || idStr::Icmp(_name, "step") == 0) {
stepSize = src->ParseFloat();
return true;
}
if (idStr::Icmp(_name, "low") == 0) {
low = src->ParseFloat();
return true;
}
if (idStr::Icmp(_name, "high") == 0) {
high = src->ParseFloat();
return true;
}
if (idStr::Icmp(_name, "vertical") == 0) {
vertical = src->ParseBool();
return true;
}
if (idStr::Icmp(_name, "verticalflip") == 0) {
verticalFlip = src->ParseBool();
return true;
}
if (idStr::Icmp(_name, "scrollbar") == 0) {
scrollbar = src->ParseBool();
return true;
}
if (idStr::Icmp(_name, "thumbshader") == 0) {
ParseString(src, thumbShader);
declManager->FindMaterial(thumbShader);
return true;
}
return idWindow::ParseInternalVar(_name, src);
}
idWinVar *idSliderWindow::GetWinVarByName(const char *_name, bool fixup, drawWin_t** owner) {
if (idStr::Icmp(_name, "value") == 0) {
return &value;
}
if (idStr::Icmp(_name, "cvar") == 0) {
return &cvarStr;
}
if ( idStr::Icmp( _name, "liveUpdate" ) == 0 ) {
return &liveUpdate;
}
if ( idStr::Icmp( _name, "cvarGroup" ) == 0 ) {
return &cvarGroup;
}
return idWindow::GetWinVarByName(_name, fixup, owner);
}
const char *idSliderWindow::HandleEvent(const sysEvent_t *event, bool *updateVisuals) {
if (!(event->evType == SE_KEY && event->evValue2)) {
return "";
}
int key = event->evValue;
if ( event->evValue2 && key == K_MOUSE1 ) {
SetCapture(this);
RouteMouseCoords(0.0f, 0.0f);
return "";
}
if ( key == K_RIGHTARROW || key == K_KP_6 || ( key == K_MOUSE2 && gui->CursorY() > thumbRect.y ) ) {
value = value + stepSize;
}
if ( key == K_LEFTARROW || key == K_KP_4 || ( key == K_MOUSE2 && gui->CursorY() < thumbRect.y ) ) {
value = value - stepSize;
}
if (buddyWin) {
buddyWin->HandleBuddyUpdate(this);
} else {
gui->SetStateFloat( cvarStr, value );
UpdateCvar( false );
}
return "";
}
void idSliderWindow::SetBuddy(idWindow *buddy) {
buddyWin = buddy;
}
void idSliderWindow::PostParse() {
idWindow::PostParse();
value = 0.0;
thumbMat = declManager->FindMaterial(thumbShader);
thumbMat->SetSort( SS_GUI );
thumbWidth = thumbMat->GetImageWidth();
thumbHeight = thumbMat->GetImageHeight();
//vertical = state.GetBool("vertical");
//scrollbar = state.GetBool("scrollbar");
flags |= (WIN_HOLDCAPTURE | WIN_CANFOCUS);
InitCvar();
}
void idSliderWindow::InitWithDefaults(const char *_name, const idRectangle &_rect, const idVec4 &_foreColor, const idVec4 &_matColor, const char *_background, const char *thumbShader, bool _vertical, bool _scrollbar) {
SetInitialState(_name);
rect = _rect;
foreColor = _foreColor;
matColor = _matColor;
thumbMat = declManager->FindMaterial(thumbShader);
thumbMat->SetSort( SS_GUI );
thumbWidth = thumbMat->GetImageWidth();
thumbHeight = thumbMat->GetImageHeight();
background = declManager->FindMaterial(_background);
background->SetSort( SS_GUI );
vertical = _vertical;
scrollbar = _scrollbar;
flags |= WIN_HOLDCAPTURE;
}
void idSliderWindow::SetRange(float _low, float _high, float _step) {
low = _low;
high = _high;
stepSize = _step;
}
void idSliderWindow::SetValue(float _value) {
value = _value;
}
void idSliderWindow::Draw(int time, float x, float y) {
idVec4 color = foreColor;
if ( !cvar && !buddyWin ) {
return;
}
if ( !thumbWidth || !thumbHeight ) {
thumbWidth = thumbMat->GetImageWidth();
thumbHeight = thumbMat->GetImageHeight();
}
UpdateCvar( true );
if ( value > high ) {
value = high;
} else if ( value < low ) {
value = low;
}
float range = high - low;
if ( range <= 0.0f ) {
return;
}
float thumbPos = (range) ? (value - low) / range : 0.0;
if (vertical) {
if ( verticalFlip ) {
thumbPos = 1.f - thumbPos;
}
thumbPos *= drawRect.h - thumbHeight;
thumbPos += drawRect.y;
thumbRect.y = thumbPos;
thumbRect.x = drawRect.x;
} else {
thumbPos *= drawRect.w - thumbWidth;
thumbPos += drawRect.x;
thumbRect.x = thumbPos;
thumbRect.y = drawRect.y;
}
thumbRect.w = thumbWidth;
thumbRect.h = thumbHeight;
if ( hover && !noEvents && Contains(gui->CursorX(), gui->CursorY()) ) {
color = hoverColor;
} else {
hover = false;
}
if ( flags & WIN_CAPTURE ) {
color = hoverColor;
hover = true;
}
dc->DrawMaterial(thumbRect.x, thumbRect.y, thumbRect.w, thumbRect.h, thumbMat, color);
if ( flags & WIN_FOCUS ) {
dc->DrawRect(thumbRect.x+1.0f, thumbRect.y+1.0f, thumbRect.w-2.0f, thumbRect.h-2.0f, 1.0f, color);
}
}
void idSliderWindow::DrawBackground(const idRectangle &_drawRect) {
if ( !cvar && !buddyWin ) {
return;
}
if ( high - low <= 0.0f ) {
return;
}
idRectangle r = _drawRect;
if (!scrollbar) {
if ( vertical ) {
r.y += thumbHeight / 2.f;
r.h -= thumbHeight;
} else {
r.x += thumbWidth / 2.0;
r.w -= thumbWidth;
}
}
idWindow::DrawBackground(r);
}
const char *idSliderWindow::RouteMouseCoords(float xd, float yd) {
float pct;
if (!(flags & WIN_CAPTURE)) {
return "";
}
idRectangle r = drawRect;
r.x = actualX;
r.y = actualY;
r.x += thumbWidth / 2.0;
r.w -= thumbWidth;
if (vertical) {
r.y += thumbHeight / 2;
r.h -= thumbHeight;
if (gui->CursorY() >= r.y && gui->CursorY() <= r.Bottom()) {
pct = (gui->CursorY() - r.y) / r.h;
if ( verticalFlip ) {
pct = 1.f - pct;
}
value = low + (high - low) * pct;
} else if (gui->CursorY() < r.y) {
if ( verticalFlip ) {
value = high;
} else {
value = low;
}
} else {
if ( verticalFlip ) {
value = low;
} else {
value = high;
}
}
} else {
r.x += thumbWidth / 2;
r.w -= thumbWidth;
if (gui->CursorX() >= r.x && gui->CursorX() <= r.Right()) {
pct = (gui->CursorX() - r.x) / r.w;
value = low + (high - low) * pct;
} else if (gui->CursorX() < r.x) {
value = low;
} else {
value = high;
}
}
if (buddyWin) {
buddyWin->HandleBuddyUpdate(this);
} else {
gui->SetStateFloat( cvarStr, value );
}
UpdateCvar( false );
return "";
}
void idSliderWindow::Activate(bool activate, idStr &act) {
idWindow::Activate(activate, act);
if ( activate ) {
UpdateCvar( true, true );
}
}
/*
============
idSliderWindow::InitCvar
============
*/
void idSliderWindow::InitCvar( ) {
if ( cvarStr[0] == '\0' ) {
if ( !buddyWin ) {
common->Warning( "idSliderWindow::InitCvar: gui '%s' window '%s' has an empty cvar string", gui->GetSourceFile(), name.c_str() );
}
cvar_init = true;
cvar = NULL;
return;
}
cvar = cvarSystem->Find( cvarStr );
if ( !cvar ) {
common->Warning( "idSliderWindow::InitCvar: gui '%s' window '%s' references undefined cvar '%s'", gui->GetSourceFile(), name.c_str(), cvarStr.c_str() );
cvar_init = true;
return;
}
}
/*
============
idSliderWindow::UpdateCvar
============
*/
void idSliderWindow::UpdateCvar( bool read, bool force ) {
if ( buddyWin || !cvar ) {
return;
}
if ( force || liveUpdate ) {
value = cvar->GetFloat();
if ( value != gui->State().GetFloat( cvarStr ) ) {
if ( read ) {
gui->SetStateFloat( cvarStr, value );
} else {
value = gui->State().GetFloat( cvarStr );
cvar->SetFloat( value );
}
}
}
}
/*
============
idSliderWindow::RunNamedEvent
============
*/
void idSliderWindow::RunNamedEvent( const char* eventName ) {
idStr event, group;
if ( !idStr::Cmpn( eventName, "cvar read ", 10 ) ) {
event = eventName;
group = event.Mid( 10, event.Length() - 10 );
if ( !group.Cmp( cvarGroup ) ) {
UpdateCvar( true, true );
}
} else if ( !idStr::Cmpn( eventName, "cvar write ", 11 ) ) {
event = eventName;
group = event.Mid( 11, event.Length() - 11 );
if ( !group.Cmp( cvarGroup ) ) {
UpdateCvar( false, true );
}
}
}