[Orxonox-commit 1880] r6597 - code/branches/chat/src/orxonox/graphics
smerkli at orxonox.net
smerkli at orxonox.net
Mon Mar 22 15:41:51 CET 2010
Author: smerkli
Date: 2010-03-22 15:41:51 +0100 (Mon, 22 Mar 2010)
New Revision: 6597
Added:
code/branches/chat/src/orxonox/graphics/ChatBox.cc
Modified:
code/branches/chat/src/orxonox/graphics/ChatBox.h
Log:
Split ChatBox.h into ChatBox.h and ChatBox.cc, comments to follow.
Added: code/branches/chat/src/orxonox/graphics/ChatBox.cc
===================================================================
--- code/branches/chat/src/orxonox/graphics/ChatBox.cc (rev 0)
+++ code/branches/chat/src/orxonox/graphics/ChatBox.cc 2010-03-22 14:41:51 UTC (rev 6597)
@@ -0,0 +1,343 @@
+#include "ChatBox.h"
+
+#include "CEGuiSample.h"
+#include "CEGUI/CEGUI.h"
+#include "CEGUI/CEGUIXMLAttributes.h"
+
+bool ChatBox::initialiseSample()
+{
+ using namespace CEGUI;
+ try
+ {
+ // Retrieve the window manager
+ WindowManager& winMgr = WindowManager::getSingleton();
+
+ // Load the TaharezLook scheme and set up the default mouse cursor and font
+ SchemeManager::getSingleton().loadScheme("TaharezLook.scheme");
+ System::getSingleton().setDefaultMouseCursor("TaharezLook", "MouseArrow");
+ if(!FontManager::getSingleton().isFontPresent("Commonwealth-10"))
+ FontManager::getSingleton().createFont("Commonwealth-10.font");
+
+ // Set the GUI Sheet
+ Window* sheet = winMgr.createWindow("DefaultWindow", "root_wnd");
+ System::getSingleton().setGUISheet(sheet);
+
+ // Load a layout
+ Window* guiLayout = winMgr.loadWindowLayout("ChatBox.layout");
+ sheet->addChildWindow(guiLayout);
+
+ // Obtain the handles of some widgets
+ Window* historySize = winMgr.getWindow("/ChatBox/History");
+ Window* fontName = winMgr.getWindow("/ChatBox/FontName");
+ Spinner* fontSize = static_cast<Spinner*>(winMgr.getWindow("/ChatBox/FontSize"));
+ Window* chatText = winMgr.getWindow("/ChatBox/Text");
+
+ // Disable widgets until a valid font is registered
+ fontName->setEnabled(false);
+ fontSize->setEnabled(false);
+ chatText->setEnabled(false);
+
+ // Retrieve the design-specified values
+ mHistorySize = static_cast<size_t>(PropertyHelper::stringToUint(historySize->getText()));
+ mDefaultFontSize = fontSize->getText();
+ mChatFontName = fontName->getText();
+ setHistorySize(mHistorySize);
+ fontName->setText("");
+
+ // Configure the history size
+ // Pressing <ENTER> changes the maximal number of entries within the history Listbox
+ historySize->subscribeEvent(Editbox::EventTextAccepted, Event::Subscriber(&DemoSample::Event_HistorySizeChange, this));
+
+ // Configure the text Editbox
+ // Pressing <ENTER> puts the text into the history Listbox
+ chatText->subscribeEvent(Editbox::EventTextAccepted, Event::Subscriber(&DemoSample::Event_ChatTextAdded, this));
+
+ // Configure the font name Combobox
+ // Selecting a name changes the font used in the history Listbox and the text Editbox
+ fontName->subscribeEvent(Combobox::EventTextChanged, Event::Subscriber(&DemoSample::Event_FontChange, this));
+
+ // Configure the font size Spinner
+ // Selecting a size changes the font size used in the history Listbox and the text Editbox
+ fontSize->subscribeEvent(Spinner::EventValueChanged, Event::Subscriber(&DemoSample::Event_FontChange, this));
+ fontSize->setTextInputMode(Spinner::Integer);
+ fontSize->setMinimumValue(4.0f);
+ fontSize->setMaximumValue(72.0f);
+ fontSize->setStepSize(1.0f);
+ fontSize->setCurrentValue(PropertyHelper::stringToFloat(mDefaultFontSize));
+
+ // Initialize the list of fonts
+ // The first registered font becomes the active font
+ registerFont("Commonwealth", "Commonv2c.ttf");
+ registerFont("DejaVuSans", "DejaVuSans.ttf");
+ registerFont("Iconified", "Iconiv2.ttf");
+ registerFont("MissingFile", "MissingFile.ttf"); // What happens if a font is missing?
+ registerFont("Pixmap Font", "FairChar-30.font"); // And what about a non-Freetype font?
+ }
+ catch(Exception &e)
+ {
+ #if defined( __WIN32__ ) || defined( _WIN32 )
+ MessageBox(NULL, e.getMessage().c_str(), "Error initializing the demo", MB_OK | MB_ICONERROR | MB_TASKMODAL);
+ #else
+ //std::cout << "Error initializing the demo:" << e.getMessage().c_str() << "\n";
+ #endif
+ }
+
+ return true;
+}
+
+void ChatBox::cleanupSample(void)
+{
+}
+
+bool ChatBox::Event_HistorySizeChange(const CEGUI::EventArgs& args)
+{
+ using namespace CEGUI;
+
+ WindowManager& winMgr = WindowManager::getSingleton();
+ CEGUI::Window* historySize = winMgr.getWindow("/ChatBox/History");
+ int size = PropertyHelper::stringToInt( historySize->getText() );
+ setHistorySize(size);
+ return true;
+}
+
+bool ChatBox::Event_ChatTextAdded(const CEGUI::EventArgs& args)
+{
+ using namespace CEGUI;
+
+ WindowManager& winMgr = WindowManager::getSingleton();
+ Editbox* chatText = static_cast<Editbox*> (winMgr.getWindow("/ChatBox/Text"));
+ addChatText(chatText->getText());
+
+ // Clear the text in the Editbox
+ chatText->setText("");
+ return true;
+}
+
+bool ChatBox::Event_FontChange(const CEGUI::EventArgs& args)
+{
+ using namespace CEGUI;
+ WindowManager& winMgr = WindowManager::getSingleton();
+ Window* fontName = winMgr.getWindow("/ChatBox/FontName");
+ String name = fontName->getText();
+
+ Spinner* fontSize = static_cast<Spinner*>(winMgr.getWindow("/ChatBox/FontSize"));
+ String size = PropertyHelper::floatToString(fontSize->getCurrentValue());
+
+ Window* chatText = winMgr.getWindow("/ChatBox/Text");
+ chatText->setText(name + " - " + size);
+
+ changeFont(name, size);
+ return true;
+}
+
+void ChatBox::setHistorySize(const size_t& pSize)
+{
+ using namespace CEGUI;
+
+ if(pSize > 0)
+ {
+ // A better validation would be to enforce a minimal and a maximal size
+ mHistorySize = pSize;
+
+ WindowManager& winMgr = WindowManager::getSingleton();
+ Listbox* chatHistory = static_cast<Listbox*> (winMgr.getWindow("/ChatBox/List"));
+ ListboxItem* chatItem;
+ while(chatHistory->getItemCount() > mHistorySize)
+ {
+ // There are too many items within the history Listbox, purging them one at a time
+ chatItem = chatHistory->getListboxItemFromIndex(0);
+ chatHistory->removeItem(chatItem);
+ }
+ }
+}
+
+void ChatBox::addChatText(const CEGUI::String& pText)
+{
+ using namespace CEGUI;
+
+ WindowManager& winMgr = WindowManager::getSingleton();
+ Listbox* chatHistory = static_cast<Listbox*> (winMgr.getWindow("/ChatBox/List"));
+
+ // If there's text then add it
+ if(pText.size())
+ {
+ // Add the Editbox text to the history Listbox
+ ListboxTextItem* chatItem;
+ if(chatHistory->getItemCount() == mHistorySize)
+ {
+ /* We have reached the capacity of the Listbox so re-use the first Listbox item.
+ This code is a little crafty. By default the ListboxTextItem is created with
+ the auto-delete flag set to true, which results in its automatic deletion when
+ removed from the Listbox. So we change that flag to false, extract the item
+ from the Listbox, change its text, put the auto-delete flag back to true, and
+ finally put the item back into the Listbox. */
+ chatItem = static_cast<ListboxTextItem*>(chatHistory->getListboxItemFromIndex(0));
+ chatItem->setAutoDeleted(false);
+ chatHistory->removeItem(chatItem);
+ chatItem->setAutoDeleted(true);
+ chatItem->setText(pText);
+ }
+ else
+ {
+ // Create a new listbox item
+ chatItem = new ListboxTextItem(pText);
+ }
+ chatHistory->addItem(chatItem);
+ chatHistory->ensureItemIsVisible(chatHistory->getItemCount());
+ }
+}
+
+void ChatBox::registerFont(const CEGUI::String& pLogicalName, const CEGUI::String& pFileName)
+{
+ using namespace CEGUI;
+
+ // Ensure that font names are registered only once
+ if(mFontList.find(pLogicalName) == mFontList.end())
+ {
+ // Test the font so that only valid fonts are available
+ String testFont = mChatFontName;
+ if(mFontList.size() != 0)
+ {
+ // If the list is empty then attempt to create the font using the "real" font name
+ // Otherwise use a "test" font name so as not to corrupt the "real" one
+ testFont += "__test_font__";
+ }
+ Font* font = makeFont(testFont, pFileName, mDefaultFontSize);
+ if(mFontList.size() != 0
+ && FontManager::getSingleton().isFontPresent(testFont))
+ {
+ // Since this was only a test font we destroy it
+ FontManager::getSingleton().destroyFont(testFont);
+ }
+ if(!font)
+ {
+ // This font is invalid
+ if(FontManager::getSingleton().isFontPresent(testFont))
+ return;
+ else
+ return;
+ }
+
+ WindowManager& winMgr = WindowManager::getSingleton();
+ Combobox* fontName = static_cast<Combobox*>(winMgr.getWindow("/ChatBox/FontName"));
+ mFontList[pLogicalName] = pFileName;
+ ListboxTextItem* fontNameItem = new ListboxTextItem(pLogicalName);
+ fontNameItem->setSelectionBrushImage("TaharezLook", "MultiListSelectionBrush");
+ fontName->addItem(fontNameItem);
+ if(fontName->getItemCount() == 1)
+ {
+ // Enable widgets now that at least one valid font has been found
+ Spinner* fontSize = static_cast<Spinner*>(winMgr.getWindow("/ChatBox/FontSize"));
+ Window* chatText = winMgr.getWindow("/ChatBox/Text");
+ fontName->setEnabled(true);
+ fontSize->setEnabled(true);
+ chatText->setEnabled(true);
+
+ // The first registered font becomes the active font
+ fontName->setText(pLogicalName); // This triggers a call to changeFont
+ fontName->setItemSelectState(fontNameItem, true);
+ }
+ }
+}
+
+CEGUI::Font* makeFont(const CEGUI::String& pFontName, const CEGUI::String& pFileName, const CEGUI::String& pSize)
+{
+ using namespace CEGUI;
+
+ Font* font;
+ try
+ {
+ if(FontManager::getSingleton().isFontPresent(pFontName))
+ {
+ // The chat font is reused rather than deleted and recreated
+ // every time an attribute changes. For this reason it is
+ // important to use a unique logical name for the font.
+ font = FontManager::getSingleton().getFont(pFontName);
+ font->setProperty("FileName", pFileName);
+ font->setProperty("PointSize", pSize);
+ }
+ else
+ {
+ // This is the first time we make the chat font so we need to create it
+ XMLAttributes xmlAttributes;
+
+ // CEGUIFont.cpp
+ xmlAttributes.add("Name", pFontName);
+ xmlAttributes.add("Filename", pFileName);
+ xmlAttributes.add("ResourceGroup", "");
+ xmlAttributes.add("AutoScaled", "true");
+ xmlAttributes.add("NativeHorzRes", "800");
+ xmlAttributes.add("NativeVertRes", "600");
+
+ // CEGUIXMLAttributes.cpp
+ xmlAttributes.add("Size", pSize);
+ xmlAttributes.add("AntiAlias", "true");
+
+ font = FontManager::getSingleton().createFont("FreeType", xmlAttributes);
+ }
+ font->load();
+ }
+ catch(Exception& e)
+ {
+ // Display the error message in the chat window
+ addChatText(e.getMessage());
+ font = 0;
+ }
+
+ return font;
+}
+
+void changeFont(const CEGUI::String& pFontLogicalName, const CEGUI::String& pFontSize)
+{
+ using namespace CEGUI;
+ WindowManager& winMgr = WindowManager::getSingleton();
+
+ if(!FontManager::getSingleton().isFontPresent(mChatFontName))
+ {
+ addChatText("You must call registerFont() at least once with a valid font");
+ return;
+ }
+
+ FontList::iterator itFontList = mFontList.find(pFontLogicalName);
+ if(itFontList == mFontList.end())
+ {
+ addChatText(pFontLogicalName + " has not been registered");
+ return;
+ }
+
+ // Measure the height of the selected font
+ Font* currentFont = makeFont(mChatFontName, (*itFontList).second, pFontSize);
+ float fontHeight = currentFont->getFontHeight();
+
+ /* Alter the area of the Editbox. The original value is {{0.01,0},{1,-30},{0.99,0},{1,-5}}
+ The value we are altering is the "-30" within the second couplet, defining the position of
+ the upper y coordinate of the Editbox. We base the new value on the position of the lower
+ y coordinate, which is "-5", and the height of the font. To this we add some space "10" to
+ account for the Editbox's border. */
+ Editbox* editBox = static_cast<Editbox*> (winMgr.getWindow("/ChatBox/Text"));
+ URect chatTextArea = editBox->getArea();
+ chatTextArea.d_min.d_y.d_offset = chatTextArea.d_max.d_y.d_offset
+ - fontHeight
+ - 10;
+ editBox->setArea(chatTextArea);
+ editBox->setFont(currentFont);
+
+ /* Alther the area of the Listbox. Here we only need the lower y coordinate. Since this
+ value is the same as the upper y coordinate of the Editbox we do not need to calculate
+ it. We also change the font of the Listbox and call upon handleUpdatedItemData() to
+ update the current Listbox items. Finally we ensure that the last entry is still
+ visible. */
+ Listbox* listBox = static_cast<Listbox*> (winMgr.getWindow("/ChatBox/List"));
+ URect listTextArea = listBox->getArea();
+ listTextArea.d_max.d_y.d_offset = chatTextArea.d_min.d_y.d_offset;
+ listBox->setArea(listTextArea);
+ listBox->setFont(currentFont);
+ listBox->handleUpdatedItemData();
+ size_t itemCount = listBox->getItemCount();
+ if(itemCount)
+ {
+ ListboxItem* currentItem = listBox->getListboxItemFromIndex(itemCount - 1);
+ listBox->ensureItemIsVisible(currentItem);
+ }
+}
+
Modified: code/branches/chat/src/orxonox/graphics/ChatBox.h
===================================================================
--- code/branches/chat/src/orxonox/graphics/ChatBox.h 2010-03-22 14:28:40 UTC (rev 6596)
+++ code/branches/chat/src/orxonox/graphics/ChatBox.h 2010-03-22 14:41:51 UTC (rev 6597)
@@ -5,348 +5,23 @@
#include "CEGUI/CEGUI.h"
#include "CEGUI/CEGUIXMLAttributes.h"
-class DemoSample : public CEGuiSample
+class ChatBox : public CEGuiSample
{
-public:
- bool initialiseSample()
- {
- using namespace CEGUI;
- try
- {
- // Retrieve the window manager
- WindowManager& winMgr = WindowManager::getSingleton();
-
- // Load the TaharezLook scheme and set up the default mouse cursor and font
- SchemeManager::getSingleton().loadScheme("TaharezLook.scheme");
- System::getSingleton().setDefaultMouseCursor("TaharezLook", "MouseArrow");
- if(!FontManager::getSingleton().isFontPresent("Commonwealth-10"))
- FontManager::getSingleton().createFont("Commonwealth-10.font");
-
- // Set the GUI Sheet
- Window* sheet = winMgr.createWindow("DefaultWindow", "root_wnd");
- System::getSingleton().setGUISheet(sheet);
-
- // Load a layout
- Window* guiLayout = winMgr.loadWindowLayout("ChatBox.layout");
- sheet->addChildWindow(guiLayout);
-
- // Obtain the handles of some widgets
- Window* historySize = winMgr.getWindow("/ChatBox/History");
- Window* fontName = winMgr.getWindow("/ChatBox/FontName");
- Spinner* fontSize = static_cast<Spinner*>(winMgr.getWindow("/ChatBox/FontSize"));
- Window* chatText = winMgr.getWindow("/ChatBox/Text");
-
- // Disable widgets until a valid font is registered
- fontName->setEnabled(false);
- fontSize->setEnabled(false);
- chatText->setEnabled(false);
-
- // Retrieve the design-specified values
- mHistorySize = static_cast<size_t>(PropertyHelper::stringToUint(historySize->getText()));
- mDefaultFontSize = fontSize->getText();
- mChatFontName = fontName->getText();
- setHistorySize(mHistorySize);
- fontName->setText("");
-
- // Configure the history size
- // Pressing <ENTER> changes the maximal number of entries within the history Listbox
- historySize->subscribeEvent(Editbox::EventTextAccepted, Event::Subscriber(&DemoSample::Event_HistorySizeChange, this));
-
- // Configure the text Editbox
- // Pressing <ENTER> puts the text into the history Listbox
- chatText->subscribeEvent(Editbox::EventTextAccepted, Event::Subscriber(&DemoSample::Event_ChatTextAdded, this));
-
- // Configure the font name Combobox
- // Selecting a name changes the font used in the history Listbox and the text Editbox
- fontName->subscribeEvent(Combobox::EventTextChanged, Event::Subscriber(&DemoSample::Event_FontChange, this));
-
- // Configure the font size Spinner
- // Selecting a size changes the font size used in the history Listbox and the text Editbox
- fontSize->subscribeEvent(Spinner::EventValueChanged, Event::Subscriber(&DemoSample::Event_FontChange, this));
- fontSize->setTextInputMode(Spinner::Integer);
- fontSize->setMinimumValue(4.0f);
- fontSize->setMaximumValue(72.0f);
- fontSize->setStepSize(1.0f);
- fontSize->setCurrentValue(PropertyHelper::stringToFloat(mDefaultFontSize));
-
- // Initialize the list of fonts
- // The first registered font becomes the active font
- registerFont("Commonwealth", "Commonv2c.ttf");
- registerFont("DejaVuSans", "DejaVuSans.ttf");
- registerFont("Iconified", "Iconiv2.ttf");
- registerFont("MissingFile", "MissingFile.ttf"); // What happens if a font is missing?
- registerFont("Pixmap Font", "FairChar-30.font"); // And what about a non-Freetype font?
- }
- catch(Exception &e)
- {
- #if defined( __WIN32__ ) || defined( _WIN32 )
- MessageBox(NULL, e.getMessage().c_str(), "Error initializing the demo", MB_OK | MB_ICONERROR | MB_TASKMODAL);
- #else
- //std::cout << "Error initializing the demo:" << e.getMessage().c_str() << "\n";
- #endif
- }
-
- return true;
- }
-
- void cleanupSample(void)
- {
- }
-
+ public:
+ bool initialiseSample();
+ void cleanupSample(void);
bool Event_HistorySizeChange(const CEGUI::EventArgs& args)
- {
- using namespace CEGUI;
-
- WindowManager& winMgr = WindowManager::getSingleton();
- CEGUI::Window* historySize = winMgr.getWindow("/ChatBox/History");
- int size = PropertyHelper::stringToInt( historySize->getText() );
- setHistorySize(size);
- return true;
- }
-
bool Event_ChatTextAdded(const CEGUI::EventArgs& args)
- {
- using namespace CEGUI;
-
- WindowManager& winMgr = WindowManager::getSingleton();
- Editbox* chatText = static_cast<Editbox*> (winMgr.getWindow("/ChatBox/Text"));
- addChatText(chatText->getText());
-
- // Clear the text in the Editbox
- chatText->setText("");
- return true;
- }
-
bool Event_FontChange(const CEGUI::EventArgs& args)
- {
- using namespace CEGUI;
- WindowManager& winMgr = WindowManager::getSingleton();
- Window* fontName = winMgr.getWindow("/ChatBox/FontName");
- String name = fontName->getText();
-
- Spinner* fontSize = static_cast<Spinner*>(winMgr.getWindow("/ChatBox/FontSize"));
- String size = PropertyHelper::floatToString(fontSize->getCurrentValue());
-
- Window* chatText = winMgr.getWindow("/ChatBox/Text");
- chatText->setText(name + " - " + size);
-
- changeFont(name, size);
- return true;
- }
-
void setHistorySize(const size_t& pSize)
- {
- using namespace CEGUI;
-
- if(pSize > 0)
- {
- // A better validation would be to enforce a minimal and a maximal size
- mHistorySize = pSize;
-
- WindowManager& winMgr = WindowManager::getSingleton();
- Listbox* chatHistory = static_cast<Listbox*> (winMgr.getWindow("/ChatBox/List"));
- ListboxItem* chatItem;
- while(chatHistory->getItemCount() > mHistorySize)
- {
- // There are too many items within the history Listbox, purging them one at a time
- chatItem = chatHistory->getListboxItemFromIndex(0);
- chatHistory->removeItem(chatItem);
- }
- }
- }
-
void addChatText(const CEGUI::String& pText)
- {
- using namespace CEGUI;
-
- WindowManager& winMgr = WindowManager::getSingleton();
- Listbox* chatHistory = static_cast<Listbox*> (winMgr.getWindow("/ChatBox/List"));
-
- // If there's text then add it
- if(pText.size())
- {
- // Add the Editbox text to the history Listbox
- ListboxTextItem* chatItem;
- if(chatHistory->getItemCount() == mHistorySize)
- {
- /* We have reached the capacity of the Listbox so re-use the first Listbox item.
- This code is a little crafty. By default the ListboxTextItem is created with
- the auto-delete flag set to true, which results in its automatic deletion when
- removed from the Listbox. So we change that flag to false, extract the item
- from the Listbox, change its text, put the auto-delete flag back to true, and
- finally put the item back into the Listbox. */
- chatItem = static_cast<ListboxTextItem*>(chatHistory->getListboxItemFromIndex(0));
- chatItem->setAutoDeleted(false);
- chatHistory->removeItem(chatItem);
- chatItem->setAutoDeleted(true);
- chatItem->setText(pText);
- }
- else
- {
- // Create a new listbox item
- chatItem = new ListboxTextItem(pText);
- }
- chatHistory->addItem(chatItem);
- chatHistory->ensureItemIsVisible(chatHistory->getItemCount());
- }
- }
-
void registerFont(const CEGUI::String& pLogicalName, const CEGUI::String& pFileName)
- {
- using namespace CEGUI;
- // Ensure that font names are registered only once
- if(mFontList.find(pLogicalName) == mFontList.end())
- {
- // Test the font so that only valid fonts are available
- String testFont = mChatFontName;
- if(mFontList.size() != 0)
- {
- // If the list is empty then attempt to create the font using the "real" font name
- // Otherwise use a "test" font name so as not to corrupt the "real" one
- testFont += "__test_font__";
- }
- Font* font = makeFont(testFont, pFileName, mDefaultFontSize);
- if(mFontList.size() != 0
- && FontManager::getSingleton().isFontPresent(testFont))
- {
- // Since this was only a test font we destroy it
- FontManager::getSingleton().destroyFont(testFont);
- }
- if(!font)
- {
- // This font is invalid
- if(FontManager::getSingleton().isFontPresent(testFont))
- return;
- else
- return;
- }
-
- WindowManager& winMgr = WindowManager::getSingleton();
- Combobox* fontName = static_cast<Combobox*>(winMgr.getWindow("/ChatBox/FontName"));
- mFontList[pLogicalName] = pFileName;
- ListboxTextItem* fontNameItem = new ListboxTextItem(pLogicalName);
- fontNameItem->setSelectionBrushImage("TaharezLook", "MultiListSelectionBrush");
- fontName->addItem(fontNameItem);
- if(fontName->getItemCount() == 1)
- {
- // Enable widgets now that at least one valid font has been found
- Spinner* fontSize = static_cast<Spinner*>(winMgr.getWindow("/ChatBox/FontSize"));
- Window* chatText = winMgr.getWindow("/ChatBox/Text");
- fontName->setEnabled(true);
- fontSize->setEnabled(true);
- chatText->setEnabled(true);
-
- // The first registered font becomes the active font
- fontName->setText(pLogicalName); // This triggers a call to changeFont
- fontName->setItemSelectState(fontNameItem, true);
- }
- }
- }
-
-protected:
+ protected:
CEGUI::Font* makeFont(const CEGUI::String& pFontName, const CEGUI::String& pFileName, const CEGUI::String& pSize)
- {
- using namespace CEGUI;
-
- Font* font;
- try
- {
- if(FontManager::getSingleton().isFontPresent(pFontName))
- {
- // The chat font is reused rather than deleted and recreated
- // every time an attribute changes. For this reason it is
- // important to use a unique logical name for the font.
- font = FontManager::getSingleton().getFont(pFontName);
- font->setProperty("FileName", pFileName);
- font->setProperty("PointSize", pSize);
- }
- else
- {
- // This is the first time we make the chat font so we need to create it
- XMLAttributes xmlAttributes;
-
- // CEGUIFont.cpp
- xmlAttributes.add("Name", pFontName);
- xmlAttributes.add("Filename", pFileName);
- xmlAttributes.add("ResourceGroup", "");
- xmlAttributes.add("AutoScaled", "true");
- xmlAttributes.add("NativeHorzRes", "800");
- xmlAttributes.add("NativeVertRes", "600");
-
- // CEGUIXMLAttributes.cpp
- xmlAttributes.add("Size", pSize);
- xmlAttributes.add("AntiAlias", "true");
-
- font = FontManager::getSingleton().createFont("FreeType", xmlAttributes);
- }
- font->load();
- }
- catch(Exception& e)
- {
- // Display the error message in the chat window
- addChatText(e.getMessage());
- font = 0;
- }
-
- return font;
- }
-
void changeFont(const CEGUI::String& pFontLogicalName, const CEGUI::String& pFontSize)
- {
- using namespace CEGUI;
- WindowManager& winMgr = WindowManager::getSingleton();
- if(!FontManager::getSingleton().isFontPresent(mChatFontName))
- {
- addChatText("You must call registerFont() at least once with a valid font");
- return;
- }
-
- FontList::iterator itFontList = mFontList.find(pFontLogicalName);
- if(itFontList == mFontList.end())
- {
- addChatText(pFontLogicalName + " has not been registered");
- return;
- }
-
- // Measure the height of the selected font
- Font* currentFont = makeFont(mChatFontName, (*itFontList).second, pFontSize);
- float fontHeight = currentFont->getFontHeight();
-
- /* Alter the area of the Editbox. The original value is {{0.01,0},{1,-30},{0.99,0},{1,-5}}
- The value we are altering is the "-30" within the second couplet, defining the position of
- the upper y coordinate of the Editbox. We base the new value on the position of the lower
- y coordinate, which is "-5", and the height of the font. To this we add some space "10" to
- account for the Editbox's border. */
- Editbox* editBox = static_cast<Editbox*> (winMgr.getWindow("/ChatBox/Text"));
- URect chatTextArea = editBox->getArea();
- chatTextArea.d_min.d_y.d_offset = chatTextArea.d_max.d_y.d_offset
- - fontHeight
- - 10;
- editBox->setArea(chatTextArea);
- editBox->setFont(currentFont);
-
- /* Alther the area of the Listbox. Here we only need the lower y coordinate. Since this
- value is the same as the upper y coordinate of the Editbox we do not need to calculate
- it. We also change the font of the Listbox and call upon handleUpdatedItemData() to
- update the current Listbox items. Finally we ensure that the last entry is still
- visible. */
- Listbox* listBox = static_cast<Listbox*> (winMgr.getWindow("/ChatBox/List"));
- URect listTextArea = listBox->getArea();
- listTextArea.d_max.d_y.d_offset = chatTextArea.d_min.d_y.d_offset;
- listBox->setArea(listTextArea);
- listBox->setFont(currentFont);
- listBox->handleUpdatedItemData();
- size_t itemCount = listBox->getItemCount();
- if(itemCount)
- {
- ListboxItem* currentItem = listBox->getListboxItemFromIndex(itemCount - 1);
- listBox->ensureItemIsVisible(currentItem);
- }
- }
-
-private:
+ private:
// Type of list for registered fonts
typedef std::map<CEGUI::String, CEGUI::String> FontList;
@@ -363,5 +38,3 @@
// Default font size
CEGUI::String mDefaultFontSize;
};
-
-#endif // _ChatBox_h_
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