Logo ROOT   6.19/01
Reference Guide
demoshelp.C
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1 /// \file
2 /// \ingroup Tutorials
3 /// This macro shows help on running the Demos.
4 ///
5 /// \macro_code
6 ///
7 /// \author Rene Brun
8 
9 void demoshelp() {
10  //
11  new TCanvas("chelp","Help to run demos",200,10,700,500);
12 
13  TPaveText *welcome = new TPaveText(.1,.8,.9,.97);
14  welcome->AddText("Welcome to the ROOT demos");
15  welcome->SetTextFont(32);
16  welcome->SetTextColor(4);
17  welcome->SetFillColor(24);
18  welcome->Draw();
19 
20  TPaveText *hdemo = new TPaveText(.05,.05,.95,.7);
21  hdemo->SetTextAlign(12);
22  hdemo->SetTextFont(52);
23  hdemo->AddText("- Run demo hsimple.C first. Then in any order");
24  hdemo->AddText("- Click left mouse button to execute one demo");
25  hdemo->AddText("- Click right mouse button to see the title of the demo");
26  hdemo->AddText("- Click on 'Close Bar' to exit from the demo menu");
27  hdemo->AddText("- Select 'File/Print' to print a Postscript view of the canvas");
28  hdemo->AddText("- You can execute a demo with the mouse or type commands");
29  hdemo->AddText("- During the demo (try on this canvas) you can :");
30  hdemo->AddText(" .... Use left button to move/grow/etc objects");
31  hdemo->AddText(" .... Use middle button to pop overlapping objects");
32  hdemo->AddText(" .... Use right button to get an object sensitive pop-up");
33  hdemo->AddText(" ");
34  hdemo->SetAllWith("....","color",2);
35  hdemo->SetAllWith("....","font",72);
36  hdemo->SetAllWith("....","size",0.04);
37 
38  hdemo->Draw();
39 }
virtual void Draw(Option_t *option="")
Draw this pavetext with its current attributes.
Definition: TPaveText.cxx:233
virtual TText * AddText(Double_t x1, Double_t y1, const char *label)
Add a new Text line to this pavetext at given coordinates.
Definition: TPaveText.cxx:182
virtual void SetTextFont(Font_t tfont=62)
Set the text font.
Definition: TAttText.h:45
virtual void SetTextAlign(Short_t align=11)
Set the text alignment.
Definition: TAttText.h:41
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
Definition: TAttFill.h:37
The Canvas class.
Definition: TCanvas.h:31
A Pave (see TPave) with text, lines or/and boxes inside.
Definition: TPaveText.h:21
virtual void SetTextColor(Color_t tcolor=1)
Set the text color.
Definition: TAttText.h:43
virtual void SetAllWith(const char *text, Option_t *option, Double_t value)
Set attribute option for all lines containing string text.
Definition: TPaveText.cxx:879