ZXWidgetFileBrowser.h

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/* **************************************************************************/
#ifndef ZXWIDGET_FILEBROWSER
#define ZXWIDGET_FILEBROWSER
 
#include <filesystem>
#include "zxecosystem/gui/widgets/ZXWidgetsSimple.h"
#include "zxecosystem/gui/widgets/ZXWidgetList.h"
 
 
namespace zxeco
{
 
namespace gui
{
 
 
/*******************************************************************************
*
*   Class: FileBrowserWidget
*
*******************************************************************************/
 
 
class FileBrowserWidget: public ContainerWidget
{
 public:
 
 
    enum : uint8_t {
                    WITH_TREE = 1,  
                    WITH_PATH = 2,  
                    WITH_EDIT = 4   
                   };
 
    FileBrowserWidget(ID id, const std::string & name,
                      uint8_t elements = WITH_TREE | WITH_PATH | WITH_EDIT,
                      const std::filesystem::path & initpath = 
                            std::filesystem::path{},
                      const std::string & initedit = "", 
                      char markingsinfiles = 'N',
                      const std::string & tooltiptext = "",
                      HorAlign hal = HorAlign::LEFT, 
                      VertAlign val = VertAlign::TOP);
 
    bool changeDir(const std::filesystem::path & path);
 
    void reload(void) 
    
        { pwfiles_->list().fillWithFiles(curpath_,'T',
                                         pwtree_ != nullptr,&fileentries_); }
 
    const std::string & editedText(void) const;
 
    const std::filesystem::path & browserPath(void) const noexcept 
        { return(curpath_); }
 
    bool eventProcessedByTree(const CallbackParms & cbp) const noexcept
 
        { return((pwtree_ != nullptr) && cbp.isAfterWithData() &&
                 (cbp.whoprocessed != nullptr) && 
                  cbp.whoprocessed->isDescendantOf(*pwtree_)); }
 
    bool eventProcessedByFiles(const CallbackParms & cbp) const noexcept
 
        { return(cbp.isAfterWithData() && (cbp.whoprocessed != nullptr) &&
                 cbp.whoprocessed->isDescendantOf(*pwfiles_)); } 
 
 
    const char * className(void) const noexcept { return("FileBrowserWidget"); }
    std::pair<bool,const CharRect *> hasFocusZone(void) const noexcept override;
 
 private:
 
    enum Subwidgs {
                    PATH = 0,
                    TOP_CONT,
                    BACK_BUTT,
                    CENTRAL_CONT,
                    CONT_FILES,
                    FILES,
                    CONT_TREE,
                    TREE,
                    EDIT,
                    NUMSUBWIDGETS
                  };
 
    static const ID kIDsSubs[NUMSUBWIDGETS];
 
    static bool checkDir(const std::filesystem::path & pa);
 
    LineInputWidget * pwpath_;
    ListWidget * pwfiles_;
    ListWidget * pwtree_;
    LineInputWidget * pwedit_;
    std::vector<std::string> fileentries_;
    Widget * pfocused_;
    int oldmark_;
    std::filesystem::path curpath_;
 
    int treeMarked(void) const;
    void setDir(const std::filesystem::path & path);
    bool followTreeDir(void);
    int processEvent(const EventData & evdata, Widget * who) override;
};
 
 
 
} // end namespace gui
} // end namespace zxeco
 
#endif
 // ZXWidgetFileBrowser