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/* Copyright (C) 2010 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
/*
CText
*/
#include "precompiled.h"
#include "GUI.h"
#include "CText.h"
#include "CGUIScrollBarVertical.h"
#include "lib/ogl.h"
//-------------------------------------------------------------------
// Constructor / Destructor
//-------------------------------------------------------------------
CText::CText()
{
AddSetting(GUIST_float, "buffer_zone");
AddSetting(GUIST_CGUIString, "caption");
AddSetting(GUIST_int, "cell_id");
AddSetting(GUIST_bool, "clip");
AddSetting(GUIST_CStrW, "font");
AddSetting(GUIST_bool, "scrollbar");
AddSetting(GUIST_CStr, "scrollbar_style");
AddSetting(GUIST_bool, "scroll_bottom");
AddSetting(GUIST_CGUISpriteInstance, "sprite");
AddSetting(GUIST_EAlign, "text_align");
AddSetting(GUIST_EVAlign, "text_valign");
AddSetting(GUIST_CColor, "textcolor");
AddSetting(GUIST_CStrW, "tooltip");
AddSetting(GUIST_CStr, "tooltip_style");
// Private settings
AddSetting(GUIST_CStrW, "_icon_tooltip");
AddSetting(GUIST_CStr, "_icon_tooltip_style");
//GUI<bool>::SetSetting(this, "ghost", true);
GUI<bool>::SetSetting(this, "scrollbar", false);
GUI<bool>::SetSetting(this, "clip", true);
// Add scroll-bar
CGUIScrollBarVertical * bar = new CGUIScrollBarVertical();
bar->SetRightAligned(true);
AddScrollBar(bar);
// Add text
AddText(new SGUIText());
}
CText::~CText()
{
}
void CText::SetupText()
{
if (!GetGUI())
return;
ENSURE(m_GeneratedTexts.size()>=1);
CStrW font;
if (GUI<CStrW>::GetSetting(this, "font", font) != PSRETURN_OK || font.empty())
// Use the default if none is specified
// TODO Gee: (2004-08-14) Don't define standard like this. Do it with the default style.
font = L"default";
CGUIString caption;
bool scrollbar;
GUI<CGUIString>::GetSetting(this, "caption", caption);
GUI<bool>::GetSetting(this, "scrollbar", scrollbar);
float width = m_CachedActualSize.GetWidth();
// remove scrollbar if applicable
if (scrollbar && GetScrollBar(0).GetStyle())
width -= GetScrollBar(0).GetStyle()->m_Width;
float buffer_zone=0.f;
GUI<float>::GetSetting(this, "buffer_zone", buffer_zone);
*m_GeneratedTexts[0] = GetGUI()->GenerateText(caption, font, width, buffer_zone, this);
if (! scrollbar)
CalculateTextPosition(m_CachedActualSize, m_TextPos, *m_GeneratedTexts[0]);
// Setup scrollbar
if (scrollbar)
{
bool scrollbottom = false;
GUI<bool>::GetSetting(this, "scroll_bottom", scrollbottom);
// If we are currently scrolled to the bottom of the text,
// then add more lines of text, update the scrollbar so we
// stick to the bottom.
// (Use 1.5px delta so this triggers the first time caption is set)
bool bottom = false;
if (scrollbottom && GetScrollBar(0).GetPos() > GetScrollBar(0).GetMaxPos() - 1.5f)
bottom = true;
GetScrollBar(0).SetScrollRange(m_GeneratedTexts[0]->m_Size.cy);
GetScrollBar(0).SetScrollSpace(m_CachedActualSize.GetHeight());
GetScrollBar(0).SetX(m_CachedActualSize.right);
GetScrollBar(0).SetY(m_CachedActualSize.top);
GetScrollBar(0).SetZ(GetBufferedZ());
GetScrollBar(0).SetLength(m_CachedActualSize.bottom - m_CachedActualSize.top);
if (bottom)
GetScrollBar(0).SetPos(GetScrollBar(0).GetMaxPos());
}
}
void CText::HandleMessage(SGUIMessage &Message)
{
IGUIScrollBarOwner::HandleMessage(Message);
//IGUITextOwner::HandleMessage(Message); <== placed it after the switch instead!
switch (Message.type)
{
case GUIM_SETTINGS_UPDATED:
if (Message.value == "scrollbar")
{
SetupText();
}
// Update scrollbar
if (Message.value == "scrollbar_style")
{
CStr scrollbar_style;
GUI<CStr>::GetSetting(this, Message.value, scrollbar_style);
GetScrollBar(0).SetScrollBarStyle( scrollbar_style );
SetupText();
}
break;
case GUIM_MOUSE_WHEEL_DOWN:
{
GetScrollBar(0).ScrollPlus();
// Since the scroll was changed, let's simulate a mouse movement
// to check if scrollbar now is hovered
SGUIMessage msg(GUIM_MOUSE_MOTION);
HandleMessage(msg);
break;
}
case GUIM_MOUSE_WHEEL_UP:
{
GetScrollBar(0).ScrollMinus();
// Since the scroll was changed, let's simulate a mouse movement
// to check if scrollbar now is hovered
SGUIMessage msg(GUIM_MOUSE_MOTION);
HandleMessage(msg);
break;
}
case GUIM_LOAD:
{
GetScrollBar(0).SetX( m_CachedActualSize.right );
GetScrollBar(0).SetY( m_CachedActualSize.top );
GetScrollBar(0).SetZ( GetBufferedZ() );
GetScrollBar(0).SetLength( m_CachedActualSize.bottom - m_CachedActualSize.top );
CStr scrollbar_style;
GUI<CStr>::GetSetting(this, "scrollbar_style", scrollbar_style);
GetScrollBar(0).SetScrollBarStyle( scrollbar_style );
}
break;
default:
break;
}
IGUITextOwner::HandleMessage(Message);
}
void CText::Draw()
{
float bz = GetBufferedZ();
// First call draw on ScrollBarOwner
bool scrollbar;
GUI<bool>::GetSetting(this, "scrollbar", scrollbar);
if (scrollbar)
{
// Draw scrollbar
IGUIScrollBarOwner::Draw();
}
if (GetGUI())
{
CGUISpriteInstance *sprite;
int cell_id;
bool clip;
GUI<CGUISpriteInstance>::GetSettingPointer(this, "sprite", sprite);
GUI<int>::GetSetting(this, "cell_id", cell_id);
GUI<bool>::GetSetting(this, "clip", clip);
GetGUI()->DrawSprite(*sprite, cell_id, bz, m_CachedActualSize);
float scroll=0.f;
if (scrollbar)
{
scroll = GetScrollBar(0).GetPos();
}
// Clipping area (we'll have to subtract the scrollbar)
CRect cliparea;
if (clip)
{
cliparea = m_CachedActualSize;
if (scrollbar)
{
// subtract scrollbar from cliparea
if (cliparea.right > GetScrollBar(0).GetOuterRect().left &&
cliparea.right <= GetScrollBar(0).GetOuterRect().right)
cliparea.right = GetScrollBar(0).GetOuterRect().left;
if (cliparea.left >= GetScrollBar(0).GetOuterRect().left &&
cliparea.left < GetScrollBar(0).GetOuterRect().right)
cliparea.left = GetScrollBar(0).GetOuterRect().right;
}
}
CColor color;
GUI<CColor>::GetSetting(this, "textcolor", color);
if (scrollbar)
DrawText(0, color, m_CachedActualSize.TopLeft() - CPos(0.f, scroll), bz+0.1f, cliparea);
else
DrawText(0, color, m_TextPos, bz+0.1f, cliparea);
}
}
bool CText::MouseOverIcon()
{
std::vector<SGUIText*>::iterator text_it;
std::list<SGUIText::SSpriteCall>::iterator sprite_it;
for (text_it=m_GeneratedTexts.begin(); text_it!=m_GeneratedTexts.end(); ++text_it)
{
SGUIText* guitext = *text_it;
for (sprite_it=guitext->m_SpriteCalls.begin(); sprite_it!=guitext->m_SpriteCalls.end(); ++sprite_it)
{
//Check mouse over sprite
SGUIText::SSpriteCall spritecall = *sprite_it;
if (spritecall.m_Area.PointInside(GetMousePos() - m_CachedActualSize.TopLeft()))
{
//If tooltip exists, set the property
if(!spritecall.m_Tooltip.empty())
{
SetSetting("_icon_tooltip_style", spritecall.m_TooltipStyle);
SetSetting("_icon_tooltip", spritecall.m_Tooltip);
}
return true;
}
}
}
return false;
}
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