From d9857ffa8622652440889c15509b5157f6c3c4bc Mon Sep 17 00:00:00 2001
From: Ilka Antcheva <Ilka.Antcheva@cern.ch>
Date: Mon, 23 Jan 2006 16:30:05 +0000
Subject: [PATCH] From Bertrand: - New tutorial Slider3Demo.C showing the
properties of these new sliders.
git-svn-id: http://root.cern.ch/svn/root/trunk@13891 27541ba8-7e3a-0410-8455-c3a389f83636
---
tutorials/Slider3Demo.C | 265 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 265 insertions(+)
create mode 100644 tutorials/Slider3Demo.C
diff --git a/tutorials/Slider3Demo.C b/tutorials/Slider3Demo.C
new file mode 100644
index 00000000000..91fedc885db
--- /dev/null
+++ b/tutorials/Slider3Demo.C
@@ -0,0 +1,265 @@
+
+// Simple macro showing capabilities of triple slider
+
+#include "TGButton.h"
+#include "TRootEmbeddedCanvas.h"
+#include "TGLayout.h"
+#include "TF1.h"
+#include "TMath.h"
+#include "TCanvas.h"
+#include "TGTextEntry.h"
+#include "TGTripleSlider.h"
+
+enum ETestCommandIdentifiers {
+ HId1,
+ HId2,
+ HId3,
+ HCId1,
+ HCId2,
+
+ HSId1
+};
+
+class TTripleSliderDemo : public TGMainFrame {
+
+private:
+ TRootEmbeddedCanvas *fCanvas;
+ TGLayoutHints *fLcan;
+ TF1 *fFitFcn;
+ TGHorizontalFrame *fHframe0, *fHframe1, *fHframe2;
+ TGLayoutHints *fBly, *fBfly1, *fBfly2, *fBfly3;
+ TGTripleHSlider *fHslider1;
+ TGTextEntry *fTeh1, *fTeh2, *fTeh3;
+ TGTextBuffer *fTbh1, *fTbh2, *fTbh3;
+ TGCheckButton *fCheck1, *fCheck2;
+
+public:
+ TTripleSliderDemo();
+ virtual ~TTripleSliderDemo();
+
+ void CloseWindow();
+ void DoText(const char *text);
+ void DoSlider();
+ void HandleButtons();
+
+ ClassDef(TTripleSliderDemo, 0)
+};
+
+//______________________________________________________________________________
+TTripleSliderDemo::TTripleSliderDemo() : TGMainFrame(gClient->GetRoot(), 100, 100)
+{
+
+ char buf[32];
+ SetCleanup(kDeepCleanup);
+ // Create an embedded canvas and add to the main frame, centered in x and y
+ // and with 30 pixel margins all around
+ fCanvas = new TRootEmbeddedCanvas("Canvas", this, 600, 400);
+ fLcan = new TGLayoutHints(kLHintsCenterX|kLHintsCenterY|kLHintsExpandX|kLHintsExpandY,10,10,10,10);
+ AddFrame(fCanvas, fLcan);
+ fCanvas->GetCanvas()->SetFillColor(33);
+ fCanvas->GetCanvas()->SetFrameFillColor(41);
+ fCanvas->GetCanvas()->SetBorderMode(0);
+ fCanvas->GetCanvas()->SetGrid();
+ fCanvas->GetCanvas()->SetLogy();
+
+ fHframe0 = new TGHorizontalFrame(this, 0, 0, 0);
+
+ fCheck1 = new TGCheckButton(fHframe0, "&Constrained", HCId1);
+ fCheck2 = new TGCheckButton(fHframe0, "&Relative", HCId2);
+ fCheck1->SetState(kButtonUp);
+ fCheck2->SetState(kButtonUp);
+ fCheck1->SetToolTipText("Pointer position constrained to slider sides");
+ fCheck2->SetToolTipText("Pointer position relative to slider position");
+
+ fHframe0->Resize(200, 50);
+
+ fHframe1 = new TGHorizontalFrame(this, 0, 0, 0);
+
+ fHslider1 = new TGTripleHSlider(fHframe1, 190, kDoubleScaleBoth, HSId1,
+ kHorizontalFrame, GetDefaultFrameBackground(),
+ kFALSE, kFALSE, kFALSE, kFALSE);
+ fHslider1->Connect("PointerPositionChanged()", "TTripleSliderDemo", this, "DoSlider()");
+ fHslider1->Connect("PositionChanged()", "TTripleSliderDemo", this, "DoSlider()");
+ fHslider1->SetRange(0.05,5.0);
+
+ fHframe1->Resize(200, 25);
+
+ fHframe2 = new TGHorizontalFrame(this, 0, 0, 0);
+
+ fTeh1 = new TGTextEntry(fHframe2, fTbh1 = new TGTextBuffer(5), HId1);
+ fTeh2 = new TGTextEntry(fHframe2, fTbh2 = new TGTextBuffer(5), HId2);
+ fTeh3 = new TGTextEntry(fHframe2, fTbh3 = new TGTextBuffer(5), HId3);
+
+ fTeh1->SetToolTipText("Minimum (left) Value of Slider");
+ fTeh2->SetToolTipText("Pointer Position Value");
+ fTeh3->SetToolTipText("Maximum (right) Value of Slider");
+
+ fTbh1->AddText(0, "0.0");
+ fTbh2->AddText(0, "0.0");
+ fTbh3->AddText(0, "0.0");
+
+ fTeh1->Connect("TextChanged(char*)", "TTripleSliderDemo", this, "DoText(char*)");
+ fTeh2->Connect("TextChanged(char*)", "TTripleSliderDemo", this, "DoText(char*)");
+ fTeh3->Connect("TextChanged(char*)", "TTripleSliderDemo", this, "DoText(char*)");
+
+ fCheck1->Connect("Clicked()", "TTripleSliderDemo", this, "HandleButtons()");
+ fCheck2->Connect("Clicked()", "TTripleSliderDemo", this, "HandleButtons()");
+
+ fHframe2->Resize(100, 25);
+
+ //--- layout for buttons: top align, equally expand horizontally
+ fBly = new TGLayoutHints(kLHintsTop | kLHintsCenterX | kLHintsExpandX, 5, 5, 5, 5);
+
+ //--- layout for the frame: place at bottom, right aligned
+ fBfly1 = new TGLayoutHints(kLHintsTop | kLHintsCenterX, 5, 5, 5, 5);
+ fBfly2 = new TGLayoutHints(kLHintsTop | kLHintsLeft, 5, 5, 5, 5);
+ fBfly3 = new TGLayoutHints(kLHintsTop | kLHintsRight, 5, 5, 5, 5);
+
+ fHframe0->AddFrame(fCheck1, fBfly2);
+ fHframe0->AddFrame(fCheck2, fBfly2);
+ fHframe1->AddFrame(fHslider1, fBly);
+ fHframe2->AddFrame(fTeh1, fBfly2);
+ fHframe2->AddFrame(fTeh2, fBfly1);
+ fHframe2->AddFrame(fTeh3, fBfly3);
+
+ AddFrame(fHframe0, fBly);
+ AddFrame(fHframe1, fBly);
+ AddFrame(fHframe2, fBly);
+
+ // Set main frame name, map sub windows (buttons), initialize layout
+ // algorithm via Resize() and map main frame
+ SetWindowName("Triple Slider Demo");
+ MapSubwindows();
+ Resize(GetDefaultSize());
+ MapWindow();
+
+ fFitFcn = new TF1("fFitFcn", "TMath::LogNormal(x, [0], [1], [2])", 0, 5);
+ fFitFcn->SetRange(0.0, 2.5);
+ fFitFcn->SetParameters(1.0, 0, 1);
+ fFitFcn->SetMinimum(1.0e-3);
+ fFitFcn->SetMaximum(10.0);
+ fFitFcn->SetLineColor(kRed);
+ fFitFcn->SetLineWidth(1);
+ fFitFcn->Draw();
+
+ fHslider1->SetPosition(0.05,2.5);
+ fHslider1->SetPointerPosition(1.0);
+
+ sprintf(buf, "%.3f", fHslider1->GetMinPosition());
+ fTbh1->Clear();
+ fTbh1->AddText(0, buf);
+ sprintf(buf, "%.3f", fHslider1->GetPointerPosition());
+ fTbh2->Clear();
+ fTbh2->AddText(0, buf);
+ sprintf(buf, "%.3f", fHslider1->GetMaxPosition());
+ fTbh3->Clear();
+ fTbh3->AddText(0, buf);
+}
+
+//______________________________________________________________________________
+TTripleSliderDemo::~TTripleSliderDemo()
+{
+ // Clean up
+
+ Cleanup();
+}
+
+//______________________________________________________________________________
+void TTripleSliderDemo::CloseWindow()
+{
+ // Called when window is closed via the window manager.
+
+ delete this;
+}
+
+//______________________________________________________________________________
+void TTripleSliderDemo::DoText(const char * /*text*/)
+{
+ // Handle text entry widgets.
+
+ TGTextEntry *te = (TGTextEntry *) gTQSender;
+ Int_t id = te->WidgetId();
+
+ switch (id) {
+ case HId1:
+ fHslider1->SetPosition(atof(fTbh1->GetString()),
+ fHslider1->GetMaxPosition());
+ break;
+ case HId2:
+ fHslider1->SetPointerPosition(atof(fTbh2->GetString()));
+ break;
+ case HId3:
+ fHslider1->SetPosition(fHslider1->GetMinPosition(),
+ atof(fTbh1->GetString()));
+ break;
+ default:
+ break;
+ }
+ fFitFcn->SetParameters(fHslider1->GetPointerPosition(), 0, 1);
+ fFitFcn->SetRange(fHslider1->GetMinPosition()-0.05, fHslider1->GetMaxPosition());
+ fFitFcn->Draw();
+ fCanvas->GetCanvas()->Modified();
+ fCanvas->GetCanvas()->Update();
+}
+
+//______________________________________________________________________________
+void TTripleSliderDemo::DoSlider()
+{
+ // Handle slider widgets.
+
+ char buf[32];
+
+ sprintf(buf, "%.3f", fHslider1->GetMinPosition());
+ fTbh1->Clear();
+ fTbh1->AddText(0, buf);
+ fTeh1->SetCursorPosition(fTeh1->GetCursorPosition());
+ fTeh1->Deselect();
+ gClient->NeedRedraw(fTeh1);
+
+ sprintf(buf, "%.3f", fHslider1->GetPointerPosition());
+ fTbh2->Clear();
+ fTbh2->AddText(0, buf);
+ fTeh2->SetCursorPosition(fTeh2->GetCursorPosition());
+ fTeh2->Deselect();
+ gClient->NeedRedraw(fTeh2);
+
+ sprintf(buf, "%.3f", fHslider1->GetMaxPosition());
+ fTbh3->Clear();
+ fTbh3->AddText(0, buf);
+ fTeh3->SetCursorPosition(fTeh3->GetCursorPosition());
+ fTeh3->Deselect();
+ gClient->NeedRedraw(fTeh3);
+
+ fFitFcn->SetParameters(fHslider1->GetPointerPosition(), 0, 1);
+ fFitFcn->SetRange(fHslider1->GetMinPosition()-0.05, fHslider1->GetMaxPosition());
+ fFitFcn->Draw();
+ fCanvas->GetCanvas()->Modified();
+ fCanvas->GetCanvas()->Update();
+}
+
+//______________________________________________________________________________
+void TTripleSliderDemo::HandleButtons()
+{
+ // Handle different buttons.
+
+ TGButton *btn = (TGButton *) gTQSender;
+ Int_t id = btn->WidgetId();
+
+ switch (id) {
+ case HCId1:
+ fHslider1->SetConstrained(fCheck1->GetState());
+ break;
+ case HCId2:
+ fHslider1->SetRelative(fCheck2->GetState());
+ break;
+ default:
+ break;
+ }
+}
+
+
+void Slider3Demo()
+{
+ new TTripleSliderDemo();
+}
+
--
GitLab