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https://github.com/ultimatepp/ultimatepp.git
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aa31f3e84a
* reference: Added markdown example (with image support). * Reference/MarkdownViewer: Unnecessary SSL package removed. * reference/MarkdownViewer: Unnecessary build flag removed, menu functions restructured. * reference/MarkdownViewer: A default markdown example file (with image) added.
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#include <CtrlLib/CtrlLib.h>
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#include <plugin/md/Markdown.h>
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#include <plugin/bmp/bmp.h>
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#include <plugin/jpg/jpg.h>
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using namespace Upp;
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struct MarkdownViewer : TopWindow {
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RichTextView view;
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MenuBar menubar;
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Array<QtfRichObject> images;
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MarkdownViewer()
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{
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Title(t_("A simple markdown viewer"));
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Sizeable().Zoomable().SetRect(0, 0, 800, 600);
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Add(view.SizePos());
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AddFrame(menubar);
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menubar.Set([this](Bar& menu)
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{
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menu.Sub(t_("File"), [this](Bar& menu)
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{
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menu.Add(t_("Open"), [this] { OpenFile(); })
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.Key(K_CTRL_O);
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menu.Add(t_("Copy to clipboard (as qtf)"),[this] { CopyAsQtf(); })
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.Key(K_CTRL_C)
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.Enable(!IsNull(~view));
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menu.Separator();
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menu.Add(t_("Exit"), THISFN(Close))
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.Key(K_CTRL_Q);
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});
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});
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ParseFile(GetDataFile("example.md"));
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}
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void OpenFile()
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{
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if(String f = SelectFileOpen("*.md"); !f.IsEmpty())
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ParseFile(f);
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}
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void ParseFile(const String& fname)
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{
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images.Clear();
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MarkdownConverter mdc;
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mdc.WhenImages = [&](VectorMap<String, String>& imglist)
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{
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String dir = GetFileDirectory(fname);
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Progress pi(t_("Loading images..."), imglist.GetCount());
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pi.pi.Percent();
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for(int i = 0; i < imglist.GetCount(); i++) {
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if(String path = NormalizePath(imglist.GetKey(i), dir); FileExists(path)) { // Image resource paths are expected to be relative to the main markdown file's.
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if(Image img = StreamRaster::LoadFileAny(path); !IsNull(img))
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imglist[i] << images.Add(CreatePNGObject(img));
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if(pi.StepCanceled())
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break;
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}
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}
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};
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view.SetQTF(mdc.Tables().NoHtml().ToQtf(LoadFile(fname)));
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}
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void CopyAsQtf()
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{
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AppendClipboardUnicodeText(~view);
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}
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};
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GUI_APP_MAIN
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{
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MarkdownViewer().Run();
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}
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