CGUIFileSaveDialog.h
Code: Select all
#ifndef __C_GUI_FILE_SAVE_DIALOG_H_INCLUDED__
#define __C_GUI_FILE_SAVE_DIALOG_H_INCLUDED__
#include "IGUIFileOpenDialog.h"
#include "IGUIButton.h"
#include "IGUIListBox.h"
#include "IGUIEditBox.h"
#include "IFileSystem.h"
namespace irr
{
namespace gui
{
class CGUIFileSaveDialog : public IGUIFileOpenDialog
{
public:
//! constructor
CGUIFileSaveDialog(const wchar_t* title, IGUIEnvironment* environment, IGUIElement* parent, s32 id);
//! destructor
virtual ~CGUIFileSaveDialog();
//! returns the filename of the selected file. Returns NULL, if no file was selected.
virtual const wchar_t* getFilename();
//! called if an event happened.
virtual bool OnEvent(SEvent event);
//! draws the element and its children
virtual void draw();
//! Returns the filename of the selected file. Returns NULL, if no file was selected.
// virtual const wchar_t* getFilename();
protected:
//! fills the listbox with files.
void fillListBox();
//! sends the event that the file has been selected.
void sendSelectedEvent();
//! sends the event that the file choose process has been canceld
void sendCancelEvent();
core::position2d<s32> DragStart;
core::stringw FileName;
bool Dragging;
IGUIButton* CloseButton;
IGUIButton* OKButton;
IGUIButton* CancelButton;
IGUIListBox* FileBox;
IGUIElement* FileNameText;
IGUIElement* EventParent;
io::IFileSystem* FileSystem;
IGUIEditBox* FileEdit;
io::IFileList* FileList;
};
} // end namespace gui
} // end namespace irr
#endifCode: Select all
#include "CGUIFileSaveDialog.h"
#include "IGUISkin.h"
#include "IGUIEnvironment.h"
#include "IVideoDriver.h"
#include "IGUIButton.h"
#include "IGUIStaticText.h"
#include "IGUIFont.h"
#include "IGUIFontBitmap.h"
#include "IFileList.h"
#include "irrstring.h"
//#include "os.h"
namespace irr
{
namespace gui
{
const s32 FOD_WIDTH = 350;
const s32 FOD_HEIGHT = 260;
//! constructor
CGUIFileSaveDialog::CGUIFileSaveDialog(const wchar_t* title, IGUIEnvironment* environment, IGUIElement* parent, s32 id)
: IGUIFileOpenDialog(environment, parent, id,
core::rect<s32>((parent->getAbsolutePosition().getWidth()-FOD_WIDTH)/2,
(parent->getAbsolutePosition().getHeight()-FOD_HEIGHT)/2,
(parent->getAbsolutePosition().getWidth()-FOD_WIDTH)/2+FOD_WIDTH,
(parent->getAbsolutePosition().getHeight()-FOD_HEIGHT)/2+FOD_HEIGHT)),
Dragging(false), FileNameText(0), FileList(0)
{
#ifdef _DEBUG
IGUIElement::setDebugName("CGUIFileSaveDialog");
#endif
Text = title;
IGUISkin* skin = Environment->getSkin();
IGUISpriteBank* sprites = 0;
video::SColor color(255,255,255,255);
if (skin)
{
sprites = skin->getSpriteBank();
color = skin->getColor(EGDC_WINDOW_SYMBOL);
}
s32 buttonw = environment->getSkin()->getSize(EGDS_WINDOW_BUTTON_WIDTH);
s32 posx = RelativeRect.getWidth() - buttonw - 4;
CloseButton = Environment->addButton(core::rect<s32>(posx, 3, posx + buttonw, 3 + buttonw), this, -1,
L"", skin ? skin->getDefaultText(EGDT_MSG_BOX_OK) : L"Close");
CloseButton->setSubElement(true);
if (sprites)
{
CloseButton->setSpriteBank(sprites);
CloseButton->setSprite(EGBS_BUTTON_UP, skin->getIcon(EGDI_WINDOW_CLOSE), color);
CloseButton->setSprite(EGBS_BUTTON_DOWN, skin->getIcon(EGDI_WINDOW_CLOSE), color);
}
CloseButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
CloseButton->grab();
OKButton = Environment->addButton(
core::rect<s32>(RelativeRect.getWidth()-80, 30, RelativeRect.getWidth()-10, 50),
this, -1, skin ? skin->getDefaultText(EGDT_MSG_BOX_OK) : L"OK");
OKButton->setSubElement(true);
OKButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
OKButton->grab();
CancelButton = Environment->addButton(
core::rect<s32>(RelativeRect.getWidth()-80, 55, RelativeRect.getWidth()-10, 75),
this, -1, skin ? skin->getDefaultText(EGDT_MSG_BOX_CANCEL) : L"Cancel");
CancelButton->setSubElement(true);
CancelButton->setAlignment(EGUIA_LOWERRIGHT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
CancelButton->grab();
FileBox = Environment->addListBox(core::rect<s32>(10, 55, RelativeRect.getWidth()-90, 230), this, -1, true);
FileBox->setSubElement(true);
FileBox->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT);
FileBox->grab();
FileEdit = Environment->addEditBox(0, core::rect<s32>(10, 235, RelativeRect.getWidth()-10, 255), true, this);
FileEdit->setSubElement(true);
FileEdit->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
FileEdit->grab();
FileNameText = Environment->addStaticText(0, core::rect<s32>(10, 30, RelativeRect.getWidth()-90, 50), true, false, this);
FileNameText->setSubElement(true);
FileNameText->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
FileNameText->grab();
FileSystem = Environment->getFileSystem();
if (FileSystem)
FileSystem->grab();
fillListBox();
FileEdit->setText( irr::core::stringw(FileSystem->getWorkingDirectory()).c_str() );
}
//! destructor
CGUIFileSaveDialog::~CGUIFileSaveDialog()
{
if (CloseButton)
CloseButton->drop();
if (OKButton)
OKButton->drop();
if (CancelButton)
CancelButton->drop();
if (FileBox)
FileBox->drop();
if (FileNameText)
FileNameText->drop();
if (FileSystem)
FileSystem->drop();
if (FileList)
FileList->drop();
}
//! returns the filename of the selected file. Returns NULL, if no file was selected.
const wchar_t* CGUIFileSaveDialog::getFilename()
{
return FileName.c_str();
}
//! called if an event happened.
bool CGUIFileSaveDialog::OnEvent(SEvent event)
{
switch(event.EventType)
{
case EET_GUI_EVENT:
switch(event.GUIEvent.EventType)
{
case EGET_ELEMENT_FOCUS_LOST:
Dragging = false;
break;
case EGET_BUTTON_CLICKED:
if (event.GUIEvent.Caller == CloseButton ||
event.GUIEvent.Caller == CancelButton)
{
sendCancelEvent();
remove();
return true;
}
else
if (event.GUIEvent.Caller == OKButton && FileName != L"")
{
sendSelectedEvent();
remove();
return true;
}
break;
case EGET_LISTBOX_CHANGED:
{
s32 selected = FileBox->getSelected();
if (FileList && FileSystem)
{
if (FileList->isDirectory(selected))
FileName = L"";
else
FileName = FileList->getFullFileName(selected);
FileEdit->setText( FileName.c_str() );
}
}
break;
case EGET_LISTBOX_SELECTED_AGAIN:
{
s32 selected = FileBox->getSelected();
if (FileList && FileSystem)
{
if (FileList->isDirectory(selected))
{
FileSystem->changeWorkingDirectoryTo(FileList->getFileName(selected));
fillListBox();
FileName = L"";
}
else
{
FileName = FileList->getFullFileName(selected);
return true;
}
}
}
break;
}
break;
case EET_KEY_INPUT_EVENT:
FileName = FileEdit->getText();
break;
case EET_MOUSE_INPUT_EVENT:
switch(event.MouseInput.Event)
{
case EMIE_LMOUSE_PRESSED_DOWN:
DragStart.X = event.MouseInput.X;
DragStart.Y = event.MouseInput.Y;
Dragging = true;
Environment->setFocus(this);
return true;
case EMIE_LMOUSE_LEFT_UP:
Dragging = false;
Environment->removeFocus(this);
return true;
case EMIE_MOUSE_MOVED:
if (Dragging)
{
// gui window should not be dragged outside its parent
if (Parent)
if (event.MouseInput.X < Parent->getAbsolutePosition().UpperLeftCorner.X +1 ||
event.MouseInput.Y < Parent->getAbsolutePosition().UpperLeftCorner.Y +1 ||
event.MouseInput.X > Parent->getAbsolutePosition().LowerRightCorner.X -1 ||
event.MouseInput.Y > Parent->getAbsolutePosition().LowerRightCorner.Y -1)
return true;
move(core::position2d<s32>(event.MouseInput.X - DragStart.X, event.MouseInput.Y - DragStart.Y));
DragStart.X = event.MouseInput.X;
DragStart.Y = event.MouseInput.Y;
return true;
}
break;
}
}
return Parent ? Parent->OnEvent(event) : false;
}
//! draws the element and its children
void CGUIFileSaveDialog::draw()
{
if (!IsVisible)
return;
IGUISkin* skin = Environment->getSkin();
core::rect<s32> rect = AbsoluteRect;
rect = skin->draw3DWindowBackground(this, true, skin->getColor(EGDC_ACTIVE_BORDER),
rect, &AbsoluteClippingRect);
if (Text.size())
{
rect.UpperLeftCorner.X += 2;
rect.LowerRightCorner.X -= skin->getSize(EGDS_WINDOW_BUTTON_WIDTH) + 5;
IGUIFont* font = skin->getFont(EGDF_WINDOW);
if (font)
font->draw(Text.c_str(), rect, skin->getColor(EGDC_ACTIVE_CAPTION), false, true,
&AbsoluteClippingRect);
}
IGUIElement::draw();
}
//! fills the listbox with files.
void CGUIFileSaveDialog::fillListBox()
{
IGUISkin *skin = Environment->getSkin();
if (!FileSystem || !FileBox || !skin)
return;
if (FileList)
FileList->drop();
FileBox->clear();
FileList = FileSystem->createFileList();
core::stringw s;
for (s32 i=0; i<FileList->getFileCount(); ++i)
{
s = FileList->getFileName(i);
FileBox->addItem(s.c_str(), skin->getIcon(FileList->isDirectory(i) ? EGDI_DIRECTORY : EGDI_FILE));
}
if (FileNameText)
{
s = FileSystem->getWorkingDirectory();
FileNameText->setText(s.c_str());
}
}
//! sends the event that the file has been selected.
void CGUIFileSaveDialog::sendSelectedEvent()
{
SEvent event;
event.EventType = EET_GUI_EVENT;
event.GUIEvent.Caller = this;
event.GUIEvent.EventType = EGET_FILE_SELECTED;
Parent->OnEvent(event);
}
//! sends the event that the file choose process has been canceld
void CGUIFileSaveDialog::sendCancelEvent()
{
SEvent event;
event.EventType = EET_GUI_EVENT;
event.GUIEvent.Caller = this;
event.GUIEvent.EventType = EGET_FILE_CHOOSE_DIALOG_CANCELLED;
Parent->OnEvent(event);
}
} // end namespace gui
} // end namespace irr
Example of usage (retrieving file name same as open dialog; EGET_FILE_SELECTED event is fired):
Code: Select all
CGUIFileSaveDialog* dialog = new CGUIFileSaveDialog(L"Title", gui, gui->getRootGUIElement(), -1);
dialog->drop();