Ykkrosh
0d8338c90e
Fix updates of GUI text positions when an ancestor object's size/position changes. Fix CPos parsing to handle negative values. This was SVN commit r7466.
143 lines
3.6 KiB
C++
143 lines
3.6 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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IGUITextOwner
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*/
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#include "precompiled.h"
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#include "GUI.h"
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//-------------------------------------------------------------------
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// Constructor / Destructor
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//-------------------------------------------------------------------
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IGUITextOwner::IGUITextOwner() : m_GeneratedTextsValid(false)
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{
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}
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IGUITextOwner::~IGUITextOwner()
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{
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// Delete all generated texts.
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std::vector<SGUIText*>::iterator it;
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for (it=m_GeneratedTexts.begin(); it!=m_GeneratedTexts.end(); ++it)
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{
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delete *it;
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}
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}
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void IGUITextOwner::AddText(SGUIText * text)
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{
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m_GeneratedTexts.push_back(text);
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}
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void IGUITextOwner::HandleMessage(const SGUIMessage &Message)
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{
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switch (Message.type)
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{
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case GUIM_SETTINGS_UPDATED:
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// Everything that can change the visual appearance.
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// it is assumed that the text of the object will be dependent on
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// these. Although that is not certain, but one will have to manually
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// change it and disregard this function.
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// TODO Gee: (2004-09-07) Make sure this is all options that can affect the text.
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if (Message.value == "size" || Message.value == "z" ||
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Message.value == "absolute" || Message.value == "caption" ||
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Message.value == "font" || Message.value == "textcolor" ||
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Message.value == "buffer_zone")
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{
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m_GeneratedTextsValid = false;
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}
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break;
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default:
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break;
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}
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}
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void IGUITextOwner::UpdateCachedSize()
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{
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// If an ancestor's size changed, this will let us intercept the change and
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// update our text positions
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IGUIObject::UpdateCachedSize();
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m_GeneratedTextsValid = false;
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}
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void IGUITextOwner::Draw(const int &index, const CColor &color, const CPos &pos,
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const float &z, const CRect &clipping)
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{
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if (!m_GeneratedTextsValid)
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{
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SetupText();
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m_GeneratedTextsValid = true;
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}
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if (index < 0 || index >= (int)m_GeneratedTexts.size())
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{
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debug_warn(L"Trying to draw a Text Index within a IGUITextOwner that doesn't exist");
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return;
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}
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if (GetGUI())
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{
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GetGUI()->DrawText(*m_GeneratedTexts[index], color, pos, z, clipping);
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}
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}
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void IGUITextOwner::CalculateTextPosition(CRect &ObjSize, CPos &TextPos, SGUIText &Text)
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{
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EAlign align;
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EVAlign valign;
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GUI<EAlign>::GetSetting(this, "text_align", align);
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GUI<EVAlign>::GetSetting(this, "text_valign", valign);
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switch (align)
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{
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case EAlign_Left:
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TextPos.x = ObjSize.left;
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break;
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case EAlign_Center:
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// Round to integer pixel values, else the fonts look awful
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TextPos.x = floorf(ObjSize.CenterPoint().x - Text.m_Size.cx/2.f);
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break;
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case EAlign_Right:
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TextPos.x = ObjSize.right - Text.m_Size.cx;
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break;
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default:
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debug_warn(L"Broken EAlign in CButton::SetupText()");
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break;
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}
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switch (valign)
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{
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case EVAlign_Top:
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TextPos.y = ObjSize.top;
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break;
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case EVAlign_Center:
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// Round to integer pixel values, else the fonts look awful
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TextPos.y = floorf(ObjSize.CenterPoint().y - Text.m_Size.cy/2.f);
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break;
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case EVAlign_Bottom:
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TextPos.y = ObjSize.bottom - Text.m_Size.cy;
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break;
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default:
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debug_warn(L"Broken EVAlign in CButton::SetupText()");
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break;
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}
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}
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