mirror of https://github.com/WerWolv/ImHex.git
124 lines
4.8 KiB
C++
124 lines
4.8 KiB
C++
#ifndef IMGUIFILEBROWSER_H
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#define IMGUIFILEBROWSER_H
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#include <imgui.h>
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#include <string>
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#include <vector>
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namespace imgui_addons
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{
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class ImGuiFileBrowser
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{
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public:
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ImGuiFileBrowser();
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~ImGuiFileBrowser();
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enum class DialogMode
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{
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SELECT, //Select Directory Mode
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OPEN, //Open File mode
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SAVE //Save File mode.
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};
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/* Use this to show an open file dialog. The function takes label for the window,
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* the size, a DialogMode enum value defining in which mode the dialog should operate and optionally the extensions that are valid for opening.
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* Note that the select directory mode doesn't need any extensions.
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*/
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bool showFileDialog(const std::string& label, const DialogMode mode, const ImVec2& sz_xy = ImVec2(0,0), const std::string& valid_types = "*.*");
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/* Store the opened/saved file name or dir name (incase of selectDirectoryDialog) and the absolute path to the selection
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* Should only be accessed when above functions return true else may contain garbage.
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*/
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std::string selected_fn;
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std::string selected_path;
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std::string ext; // Store the saved file extension
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private:
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struct Info
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{
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Info(std::string name, bool is_hidden) : name(name), is_hidden(is_hidden)
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{
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}
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std::string name;
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bool is_hidden;
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};
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//Enum used as bit flags.
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enum FilterMode
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{
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FilterMode_Files = 0x01,
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FilterMode_Dirs = 0x02
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};
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//Helper Functions
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static std::string wStringToString(const wchar_t* wchar_arr);
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static bool alphaSortComparator(const Info& a, const Info& b);
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ImVec2 getButtonSize(std::string button_text);
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/* Helper Functions that render secondary modals
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* and help in validating file extensions and for filtering, parsing top navigation bar.
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*/
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void setValidExtTypes(const std::string& valid_types_string);
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bool validateFile();
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void showErrorModal();
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void showInvalidFileModal();
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bool showReplaceFileModal();
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void showHelpMarker(std::string desc);
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void parsePathTabs(std::string str);
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void filterFiles(int filter_mode);
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/* Core Functions that render the 4 different regions making up
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* a simple file dialog
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*/
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bool renderNavAndSearchBarRegion();
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bool renderFileListRegion();
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bool renderInputTextAndExtRegion();
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bool renderButtonsAndCheckboxRegion();
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bool renderInputComboBox();
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void renderExtBox();
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/* Core Functions that handle navigation and
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* reading directories/files
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*/
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bool readDIR(std::string path);
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bool onNavigationButtonClick(int idx);
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bool onDirClick(int idx);
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// Functions that reset state and/or clear file list when reading new directory
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void clearFileList();
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void closeDialog();
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#if defined (WIN32) || defined (_WIN32) || defined (__WIN32)
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bool loadWindowsDrives(); // Helper Function for Windows to load Drive Letters.
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#endif
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#if defined(unix) || defined(__unix__) || defined(__unix) || defined(__APPLE__)
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void initCurrentPath(); // Helper function for UNIX based system to load Absolute path using realpath
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#endif
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ImVec2 min_size, max_size, input_combobox_pos, input_combobox_sz;
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DialogMode dialog_mode;
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int filter_mode, col_items_limit, selected_idx, selected_ext_idx;
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float col_width, ext_box_width;
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bool show_hidden, show_inputbar_combobox, is_dir, is_appearing, filter_dirty, validate_file, path_input_enabled;
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char input_fn[256];
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char temp_dir_input[256];
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std::vector<std::string> valid_exts;
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std::vector<std::string> current_dirlist;
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std::vector<Info> subdirs;
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std::vector<Info> subfiles;
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std::string current_path, error_msg, error_title, invfile_modal_id, repfile_modal_id;
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ImGuiTextFilter filter;
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std::string valid_types;
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std::vector<const Info*> filtered_dirs; // Note: We don't need to call delete. It's just for storing filtered items from subdirs and subfiles so we don't use PassFilter every frame.
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std::vector<const Info*> filtered_files;
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std::vector< std::reference_wrapper<std::string> > inputcb_filter_files;
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};
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}
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#endif // IMGUIFILEBROWSER_H
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