Split FileView properly into files. Slowly it is getting its final form.

efiler/EDE_FileDetailsView.h

@@ -0,0 +1,166 @@
+/*
+ * $Id$
+ *
+ * EDE FileView class
+ * Part of edelib.
+ * Copyright (c) 2005-2007 EDE Authors.
+ *
+ * This program is licenced under terms of the 
+ * GNU General Public Licence version 2 or newer.
+ * See COPYING for details.
+ */
+
+
+#ifndef EDE_FileDetailsView_H
+#define EDE_FileDetailsView_H
+
+
+#include <FL/Fl_Input.H>
+
+#include <edelib/String.h>
+
+#include "EDE_Browser.h"
+//#include "EDE_FileView.h"
+
+
+
+// Sometimes I accidentaly "drag" an icon - don't want dnd to trigger
+#define MIN_DISTANCE_FOR_DND 10
+
+
+class FileDetailsView : public EDE_Browser {
+private:
+//	EDE_Browser* browser; - yada
+	// internal list of items
+/*	struct myfileitem {
+		struct FileItem *item;
+		myfileitem* previous;
+		myfileitem* next;
+	} *firstitem;*/
+
+	// EditBox is displayed when renaming a file
+	// We subclass Fl_Input so we can handle keyboard events
+	class EditBox : public Fl_Input {
+	public:
+		EditBox(int x, int y, int w, int h, const char* label = 0) : Fl_Input(x,y,w,h,label)  {}
+		int handle (int e);
+	}* editbox_;
+	int editbox_row;
+
+	// show editbox at specified row and make the row "invisible" (bgcolor same as fgcolor)
+	void show_editbox(int row);
+	void hide_editbox();
+
+	// This is called to actually rename file (when user presses Enter in editbox)
+	void finish_rename();
+
+
+	// Find row number corresponding to realpath (encoded in data())
+	int findrow(edelib::String realpath) {
+		for (int i=1; i<=size(); i++) {
+			char *tmp = (char*)data(i);
+			if (realpath==tmp) return i;
+		}
+		return 0;
+	}
+
+	// Callbacks
+	rename_callback_type* rename_callback_;
+	paste_callback_type* paste_callback_;
+	Fl_Callback* context_callback_;
+
+
+
+	// Deallocator class is used to prevent memleaks
+	// It stores pointers to allocated memory that will be cleaned up later
+	// Just remember to call empty() when needed - everything else is automatic :)
+
+	// -- The reason we need such class is that there are no insert_copy() or 
+	// data_copy() methods in Fl_Browser (cf. label_copy() in Fl_Widget)
+
+	#define MEM_STEP 1000
+	class Deallocator {
+		void** items;
+		int size, capacity;
+	public:
+		Deallocator() : size(0), capacity(MEM_STEP) {
+			items = (void**)malloc(sizeof(void*)*capacity);
+			for (int i=0; i<capacity; i++) items[i]=0;
+		}
+		~Deallocator() { empty(); free(items); }
+		void add(void* p) {
+			if (size>=capacity) {
+				capacity+=MEM_STEP;
+				items = (void**)realloc(items,sizeof(void*)*capacity);
+				for (int i=capacity-MEM_STEP; i<capacity; i++)
+					items[i]=0;
+			}
+			items[size++]=p;
+		}
+		void empty() {
+			for (int i=0; i<size; i++) {
+				if (items[i]) free(items[i]);
+				items[i]=0;
+			}
+			size=0;
+		}
+		void debug() {
+			fprintf(stderr, "Bucket size %d, capacity %d\n", size, capacity);
+		}
+	} bucket;
+
+public:
+	FileDetailsView(int X, int Y, int W, int H, char*label=0);
+//	~FileDetailsView() { delete browser; }
+
+	// Methods for manipulating items
+	// They are named similarly to Browser methods, except that they take 
+	// struct FileItem (defined in EDE_FileView.h)
+	void insert(int row, FileItem *item);
+	void add(FileItem *item) { insert(size()+1, item); }
+	void remove(FileItem *item) {
+		int row = findrow(item->realpath);
+		if (row) EDE_Browser::remove(row);
+	}
+	void remove(int row) { EDE_Browser::remove(row); } // doesnt work without this method :(
+	void update(FileItem *item); // refresh one row without reloading the whole list
+
+	// This method is needed because update() uses path to find item in list
+	void update_path(const char* oldpath,const char* newpath);
+
+	// Make row look "disabled" (actually we use it for cut operation)
+	void gray(int row);
+	void ungray(int row);
+
+	// Overloaded handle for: context menu, file renaming and dnd support
+	int handle(int e);
+
+	// Callback when user renames a file (takes const char* filename)
+	void rename_callback(rename_callback_type* cb) { rename_callback_ = cb; }
+
+	// Callback that is called by FL_PASTE event (such as drag&drop) 
+	// (takes const char* paste_target /e.g. target directory or 0 for current directory/)
+	void paste_callback(paste_callback_type* cb) { paste_callback_ = cb; }
+
+	// Callback that is called on right mouse click (for e.g. context menu)
+	void context_callback(Fl_Callback* cb) { context_callback_ = cb; }
+
+	// Avoid memory leak
+	void clear() {
+		bucket.empty();
+		EDE_Browser::clear();
+	}
+
+	int visible() { return Fl_Widget::visible(); }
+
+	// Aliases for better compatibility with other views
+	const char*path(int row) { return (const char*)data(row); }
+	void show_item(int row) { middleline(row); }
+};
+
+
+
+
+#endif
+
+/* $Id */