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#ifndef Fireworks_TableWidget_FWTextTreeCellRenderer_h
#define Fireworks_TableWidget_FWTextTreeCellRenderer_h
#include <cassert>
#include <iostream>
#include "Fireworks/TableWidget/interface/FWTextTableCellRenderer.h"
#include "Fireworks/TableWidget/interface/GlobalContexts.h"
#include "Fireworks/TableWidget/interface/FWTabularWidget.h"
#include "TGTextEntry.h"
#include "TGPicture.h"
#include "TSystem.h"
#include "TGClient.h"
#include "TVirtualX.h"
class FWTextTreeCellRenderer : public FWTextTableCellRenderer {
protected:
const static int s_iconOffset = 2;
public:
FWTextTreeCellRenderer(const TGGC* iContext = &(getDefaultGC()),
const TGGC* iHighlightContext = &(getDefaultHighlightGC()),
Justify iJustify = kJustifyLeft)
: FWTextTableCellRenderer(iContext, iHighlightContext, iJustify),
m_indentation(0),
m_editor(nullptr),
m_showEditor(false),
m_isParent(false),
m_isOpen(false),
m_blackIcon(true) {}
// Where to find the icons
static const TString& coreIcondir() {
static TString path = Form("%s/src/Fireworks/Core/icons/", gSystem->Getenv("CMSSW_BASE"));
if (gSystem->AccessPathName(path.Data())) { // cannot find directory
assert(gSystem->Getenv("CMSSW_RELEASE_BASE"));
path = Form("%s/src/Fireworks/Core/icons/", gSystem->Getenv("CMSSW_RELEASE_BASE"));
}
return path;
}
static const TGPicture* closedImage(bool isBlack = true) {
static const TGPicture* s_picture_white = gClient->GetPicture(coreIcondir() + "arrow-white-right-blackbg.png");
static const TGPicture* s_picture_black = gClient->GetPicture(coreIcondir() + "arrow-black-right.png");
return isBlack ? s_picture_black : s_picture_white;
}
static const TGPicture* openedImage(bool isBlack = true) {
static const TGPicture* s_picture_white = gClient->GetPicture(coreIcondir() + "arrow-white-down-blackbg.png");
static const TGPicture* s_picture_black = gClient->GetPicture(coreIcondir() + "arrow-black-down.png");
return isBlack ? s_picture_black : s_picture_white;
}
static int iconWidth() { return openedImage(true)->GetWidth() + s_iconOffset; }
virtual void setIndentation(int indentation = 0) { m_indentation = indentation; }
virtual void setCellEditor(TGTextEntry* editor) { m_editor = editor; }
virtual void showEditor(bool value) { m_showEditor = value; }
void setIsParent(bool value) { m_isParent = value; }
void setIsOpen(bool value) { m_isOpen = value; }
void setBlackIcon(bool value) { m_blackIcon = value; }
UInt_t width() const override {
int w = FWTextTableCellRenderer::width() + 15 + m_indentation;
if (m_isParent)
w += iconWidth();
return w;
}
void draw(Drawable_t iID, int iX, int iY, unsigned int iWidth, unsigned int iHeight) override {
if (m_showEditor && m_editor) {
// printf("renderer draw editor %d %d %d %d \n", iX, iY, m_editor->GetWidth(), m_editor->GetHeight());
// fill to cover buffer offset
static TGGC editGC(FWTextTableCellRenderer::getDefaultGC());
editGC.SetForeground(m_editor->GetBackground());
gVirtualX->FillRectangle(iID,
editGC(),
iX - FWTabularWidget::kTextBuffer,
iY - FWTabularWidget::kTextBuffer,
iWidth + 2 * FWTabularWidget::kTextBuffer,
iHeight + 2 * FWTabularWidget::kTextBuffer);
if (iY > -2) {
// redraw editor
if (!m_editor->IsMapped()) {
m_editor->MapWindow();
m_editor->SetFocus();
}
m_editor->MoveResize(iX, iY, m_editor->GetWidth(), m_editor->GetHeight());
m_editor->SetCursorPosition(data().size());
gClient->NeedRedraw(m_editor);
return;
} else {
// hide editor if selected entry scrolled away
if (m_editor->IsMapped())
m_editor->UnmapWindow();
}
}
if (selected()) {
GContext_t c = highlightContext()->GetGC();
gVirtualX->FillRectangle(iID,
c,
iX - FWTabularWidget::kTextBuffer,
iY - FWTabularWidget::kTextBuffer,
iWidth + 2 * FWTabularWidget::kTextBuffer,
iHeight + 2 * FWTabularWidget::kTextBuffer);
}
int xOffset = 0;
if (m_isParent) {
const TGPicture* img = m_isOpen ? openedImage(m_blackIcon) : closedImage(m_blackIcon);
img->Draw(iID, graphicsContext()->GetGC(), m_indentation + iX, iY + 2);
xOffset += img->GetWidth() + s_iconOffset;
}
FontMetrics_t metrics;
font()->GetFontMetrics(&metrics);
gVirtualX->DrawString(iID,
graphicsContext()->GetGC(),
iX + m_indentation + xOffset,
iY + metrics.fAscent,
data().c_str(),
data().size());
}
private:
int m_indentation;
TGTextEntry* m_editor;
bool m_showEditor;
bool m_isParent;
bool m_isOpen;
bool m_blackIcon;
};
#endif
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