Code cleanup in efiler.cpp

This commit is contained in:
Vedran Ljubovic 2008-06-12 06:25:44 +00:00
parent c19f08178e
commit 29e2efe9b8

View File

@ -26,10 +26,9 @@
#include <Fl/Fl.H>
#include <Fl/Fl_Menu_Bar.H>
#include <Fl/Fl_File_Chooser.H> // for fl_dir_chooser, used in "Open location"
#include <Fl/Fl_Menu_Button.H>
#include <Fl/filename.H>
#include <Fl/Fl_File_Input.H> // location bar
#include <FL/Fl_Shared_Image.H> // for fl_register_images()
#include <edelib/Directory.h>
#include <edelib/DirWatch.h>
@ -65,6 +64,11 @@ Fl_File_Input* location_input;
Fl_Menu_Button* context_menu;
edelib::Resource app_config;
edelib::MimeType mime_resolver;
struct stat64 stat_buffer;
// global values
char current_dir[FL_PATH_MAX];
bool showhidden;
@ -85,13 +89,17 @@ const int menubar_height = 30;
const int location_bar_height = 40;
const int statusbar_height = 24;
const int statusbar_width = 400;
const bool dumpcore_on_exec = true; // if external handler crashes
int default_tree_width=150;
/*-----------------------------------------------------------------
Subclassed Window for handling F8 key to switch between
icon view and list view
-------------------------------------------------------------------*/
// Subclassed Fl_Window for switching views
void iconsview_cb(Fl_Widget*, void*);
void listview_cb(Fl_Widget*, void*);
@ -175,65 +183,8 @@ public:
/*-----------------------------------------------------------------
"Simple opener" - keep a list of openers in text file
This is just a temporary fix so that efiler works atm.
-------------------------------------------------------------------*/
// These variables are global to save time on construction/destruction
edelib::MimeType mime_resolver;
struct stat64 stat_buffer;
struct sopeners {
char* type;
char* opener;
sopeners* next;
} *openers=0;
char *simpleopener(const char* mimetype) {
sopeners* p;
if (!openers) {
FILE* fp = fopen("openers.txt","r");
if (!fp) { edelib::alert(_("File openers.txt not found")); return 0; }
char buf[FL_PATH_MAX*2];
while (!feof(fp)) {
fgets((char*)&buf, FL_PATH_MAX*2, fp);
if (buf[0]=='\0' || buf[1]=='\0' || buf[0]=='#') continue;
buf[strlen(buf)-1]='\0';
char *tmp = strstr(buf, "||");
if (!tmp) continue; // malformatted opener
*tmp = '\0';
sopeners* q = new sopeners;
q->type=strdup(buf);
q->opener=strdup(tmp+2);
//fprintf (stderr, "Found type: '%s' opener: '%s'\n",q->type,q->opener);
q->next=0;
if (!openers) openers=q;
else p->next = q;
p=q;
}
fclose(fp);
}
p=openers;
char *result=0; int topscore=0;
while (p != 0) {
int score=strlen(p->type);
if (strncmp(p->type,mimetype,score)==0 && score>topscore) {
topscore=score;
result=p->opener;
}
p=p->next;
}
return result;
}
/*-----------------------------------------------------------------
LoadDir()
loaddir() and friends
-------------------------------------------------------------------*/
@ -326,6 +277,7 @@ const char* permission_text(mode_t mode, uid_t uid, gid_t gid) {
}
}
// This function loads list of files in path into main view
void loaddir(const char *path) {
if (semaphore) return; // Prevent loaddir to interrupt previous loaddir - that can result in crash
semaphore=true;
@ -337,14 +289,13 @@ void loaddir(const char *path) {
// Sometimes path is just a pointer to current_dir
char* tmpath = strdup(path);
// Set current_dir
// fl_filename_isdir() thinks that / isn't a dir :(
// Set current_dir ( fl_filename_isdir() thinks that / isn't a dir :(
if (strcmp(path,"/")==0 || fl_filename_isdir(path)) {
if (path[0] == '~' && path[1] == '/') {// Expand tilde
snprintf(current_dir,FL_PATH_MAX,"%s/%s",edelib::dir_home().c_str(),tmpath+1);
} else if (path[0] != '/') { // Relative path
char *t = tmpath;
if (path[0] == '.' && path[1] == '/') t+=2; // remove .
if (path[0] == '.' && path[1] == '/') t+=2; // remove '.'
else if (path[0] == '.' && path[1] != '.') t+=1;
snprintf(current_dir,FL_PATH_MAX,"%s/%s",edelib::dir_current().c_str(),t);
} else {
@ -380,9 +331,8 @@ void loaddir(const char *path) {
else
size = scandir(current_dir, &files, 0, ede_versionsort);
if (size<1) { // there should always be . and ..
if (size<1) { // there should always be at least '.' and '..'
edelib::alert(_("Permission denied!"));
// edelib::fl_alert(_("Permission denied!"));
strncpy(current_dir,old_dir,strlen(current_dir));
semaphore=false;
return;
@ -418,7 +368,7 @@ void loaddir(const char *path) {
// hide files with dot except .. (up directory)
if (!showhidden && (n[0] == '.') && (strcmp(n,"..")!=0)) continue;
// hide files ending with tilde (backup) - NOTE
// hide files ending with tilde (backup)
if (!showhidden && (n[strlen(n)-1] == '~')) continue;
char fullpath[FL_PATH_MAX];
@ -433,7 +383,7 @@ void loaddir(const char *path) {
item->permissions = permission_text(stat_buffer.st_mode,stat_buffer.st_uid,stat_buffer.st_gid);
if (strcmp(n,"..")==0) {
// item->icon = "go-up"; // undo is prettier?!
// in edeneu theme, I prefer go-jump rotated 180 degree.. in crystalsvg, undo is best
// in edeneu theme, I prefer go-jump rotated 180 degrees... in crystalsvg, undo is best
item->icon = "edit-undo";
item->description = "Go up";
item->size = "";
@ -511,84 +461,114 @@ void loaddir(const char *path) {
}
/*-----------------------------------------------------------------
file_open()
-------------------------------------------------------------------*/
// This function will open a file using a handler according to its MIME type
// and the action parameter
void file_open(const char* path, MailcapAction action) {
if (stat64(path,&stat_buffer)) return; // stat error
if (S_ISDIR(stat_buffer.st_mode)) { // directories are handled internally
loaddir(path);
return;
}
// Find opener
mime_resolver.set(path);
// char* opener = simpleopener(mime_resolver.type().c_str());
const char* opener = mailcap_opener(mime_resolver.type().c_str(), action);
struct rlimit *rlim; rlim_t old_rlimit;
if (dumpcore_on_exec) {
rlim = (struct rlimit*)malloc(sizeof(struct rlimit));
getrlimit (RLIMIT_CORE, rlim);
old_rlimit = rlim->rlim_cur; // keep previous rlimit
rlim->rlim_cur = RLIM_INFINITY;
setrlimit (RLIMIT_CORE, rlim);
}
const char *o2 = tsprintf(opener,path); // opener should contain %s
fprintf (stderr, "run_program: %s\n", o2);
if (action == MAILCAP_EXEC) {
int k=edelib::run_program(path,false); fprintf(stderr, "retval: %d\n", k);
} else if (opener) {
int k=edelib::run_program(o2,false); fprintf(stderr, "retval: %d\n", k);
} else {
statusbar->copy_label(tsprintf(_("No program to open %s! (%s)"), fl_filename_name(path),mime_resolver.type().c_str()));
// TODO: open with...
}
if (dumpcore_on_exec) {
rlim->rlim_cur = old_rlimit;
setrlimit (RLIMIT_CORE, rlim);
free(rlim);
}
}
/*-----------------------------------------------------------------
Main menu and other callbacks
-------------------------------------------------------------------*/
// This callback is called by doubleclicking on file list, by main menu and context menu
// ------------ Main menu callbacks
// File menu
// File > Open
// This callback is also called by doubleclicking on file list and from context menu
void open_cb(Fl_Widget*w, void*data) {
// Ignore any other caller / event
if (Fl::event_clicks() || Fl::event_key() == FL_Enter || w==main_menu || w==context_menu) {
//if (Fl::event_clicks()) fprintf(stderr, "clicks\n");
//if (Fl::event_key()==FL_Enter) fprintf(stderr, "ekey\n");
// Prevent calling two times rapidly
// (e.g. sloppy double/triple/quadruple click)
const int min_secs = 1; // min. number of secs between two calls
static timeval tm = {0,0};
timeval newtm;
gettimeofday(&newtm,0);
if (newtm.tv_sec - tm.tv_sec < 1 || (newtm.tv_sec-tm.tv_sec==1 && newtm.tv_usec<tm.tv_usec)) return; // no calling within 1 second
if (newtm.tv_sec - tm.tv_sec < min_secs || (newtm.tv_sec-tm.tv_sec==min_secs && newtm.tv_usec<tm.tv_usec)) return;
tm=newtm;
if (view->get_focus()==0) return; // This can happen while efiler is loading
char* path = (char*)view->path(view->get_focus());
if (stat64(path,&stat_buffer)) return; // error
if (S_ISDIR(stat_buffer.st_mode)) { // directory
loaddir(path);
return;
}
// Find opener
mime_resolver.set(path);
// char* opener = simpleopener(mime_resolver.type().c_str());
int tmp=(int)data; // cast data for passing to mailcap_opener
if (tmp<1 || tmp>8) tmp=1;
const char* opener = mailcap_opener(mime_resolver.type().c_str(), (MailcapAction)tmp);
// dump core
struct rlimit *rlim = (struct rlimit*)malloc(sizeof(struct rlimit));
getrlimit (RLIMIT_CORE, rlim);
rlim_t old_rlimit = rlim->rlim_cur; // keep previous rlimit
rlim->rlim_cur = RLIM_INFINITY;
setrlimit (RLIMIT_CORE, rlim);
const char *o2 = tsprintf(opener,path); // opener should contain %s
fprintf (stderr, "run_program: %s\n", o2);
if (tmp==16) { // 16 - open script
int k=edelib::run_program(path,false); fprintf(stderr, "retval: %d\n", k);
}
else if (opener) {
int k=edelib::run_program(o2,false); fprintf(stderr, "retval: %d\n", k);
} else
statusbar->copy_label(tsprintf(_("No program to open %s! (%s)"), fl_filename_name(path),mime_resolver.type().c_str()));
rlim->rlim_cur = old_rlimit;
setrlimit (RLIMIT_CORE, rlim);
free(rlim);
// Nothing is selected!?
// This can happen while efiler is loading
if (view->get_focus()==0) return;
file_open(view->path(view->get_focus()), MAILCAP_VIEW);
}
} // open_cb
}
// File > Open with...
// TODO: make a list of openers etc.
void openwith_cb(Fl_Widget*, void*) {
const char* app = edelib::input(_("Enter the name of application to open this file with:"));
const char* file = view->path(view->get_focus());
edelib::run_program(tsprintf("%s '%s'", app, file), /*wait=*/false);
}
// Main menu callbacks
// File > New (efiler window)
void new_cb(Fl_Widget*, void*) {
// FIXME: use program path
// FIXME: use program path, in case it's not in PATH
edelib::run_program(tsprintf("efiler %s",current_dir),false);
}
// File > Quit
void quit_cb(Fl_Widget*, void*) { win->hide(); }
// Options in Edit menu
void cut_cb(Fl_Widget*, void*) { do_cut_copy(false); }
void copy_cb(Fl_Widget*, void*) { do_cut_copy(true); }
void paste_cb(Fl_Widget*, void*) { Fl::paste(*view,1); } // view->handle() will call do_paste()
void delete_cb(Fl_Widget*, void*) { do_delete(); }
void viewrename_cb(Fl_Widget*, void*) { view->start_rename(); } // Just call view's rename functionality
// Call view's rename functionality
void viewrename_cb(Fl_Widget*, void*) { view->start_rename(); }
// Options in View menu
// View > Directory tree
void showtree_cb(Fl_Widget*, void*) {
showtree = !showtree;
if (!showtree) {
@ -601,10 +581,12 @@ void showtree_cb(Fl_Widget*, void*) {
}
}
// View > Refresh (and also F5 key)
void refresh_cb(Fl_Widget*, void*) {
loaddir(current_dir);
}
// View > Location bar
void locationbar_cb(Fl_Widget*, void*) {
showlocation = !showlocation;
if (showlocation) {
@ -622,6 +604,7 @@ void locationbar_cb(Fl_Widget*, void*) {
}
}
// View > Hidden files
void showhidden_cb(Fl_Widget*, void*) {
showhidden=!showhidden;
dirtree->show_hidden(showhidden);
@ -629,6 +612,7 @@ void showhidden_cb(Fl_Widget*, void*) {
loaddir(current_dir);
}
// View > Sort > Ignore case
void case_cb(Fl_Widget*, void*) {
ignorecase=!ignorecase;
dirtree->ignore_case(ignorecase);
@ -636,26 +620,17 @@ void case_cb(Fl_Widget*, void*) {
loaddir(current_dir);
}
// View > Sort > Directories first
void dirsfirst_cb(Fl_Widget*, void*) {
dirsfirst=!dirsfirst;
loaddir(current_dir);
}
// Implemented after menu definition
// This fn changes menu and so must be implemented after menu definition
void update_menu_item(const char* label, bool value);
// Open with... callback
// TODO: make a list of openers etc.
void ow_cb(Fl_Widget*, void*) {
const char* app = edelib::input(_("Enter the name of application to open this file with:"));
const char* file = view->path(view->get_focus());
edelib::run_program(tsprintf("%s '%s'", app, file), /*wait=*/false);
}
// dummy callbacks - TODO
void pref_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
// View > Icons
void iconsview_cb(Fl_Widget*, void*) {
if (view->type() != FILE_ICON_VIEW) {
view->type(FILE_ICON_VIEW);
@ -664,6 +639,8 @@ void iconsview_cb(Fl_Widget*, void*) {
update_menu_item(_("&Detailed list"),false);
}
}
// View > Detailed list
void listview_cb(Fl_Widget*, void*) {
if (view->type() != FILE_DETAILS_VIEW) {
view->type(FILE_DETAILS_VIEW);
@ -673,10 +650,33 @@ void listview_cb(Fl_Widget*, void*) {
}
}
// Help > About efiler
void about_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
void aboutede_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
// Help > About EDE
void aboutede_cb(Fl_Widget*, void*) {
// Sanel created an external app for About EDE called eabout
edelib::run_program("eabout", /*wait=*/false);
}
// ------------ Other callbacks
// Context menu callbacks (items are displayed depending on type)
void fileedit_cb(Fl_Widget*w, void*) {
file_open(view->path(view->get_focus()), MAILCAP_EDIT);
}
void fileprint_cb(Fl_Widget*w, void*) {
file_open(view->path(view->get_focus()), MAILCAP_PRINT);
}
void fileexec_cb(Fl_Widget*w, void*) {
file_open(view->path(view->get_focus()), MAILCAP_EXEC);
}
void pref_cb(Fl_Widget*, void*) { fprintf(stderr, "callback\n"); }
// Other options use callbacks from Edit menu
// Directory tree callback
@ -690,7 +690,7 @@ void tree_cb(Fl_Widget*, void*) {
// This callback handles location input: changing the directory, autocomplete
// and callbacks for shortcut buttons
// location_input is set to FL_WHEN_CHANGED
// location_input is set to FL_WHEN_CHANGED
void location_input_cb(Fl_Widget*, void*) {
if (Fl::event_key() == FL_Enter || Fl::event()==FL_RELEASE)
// second event is click on button
@ -790,7 +790,7 @@ void directory_change_cb(const char* dir, const char* what_changed, int flags, v
item->date = nice_time(stat_buffer.st_mtime);
item->permissions = permission_text(stat_buffer.st_mode,stat_buffer.st_uid,stat_buffer.st_gid);
if (strcmp(what_changed,"..")==0) {
item->icon = "undo";
item->icon = "edit_undo";
item->description = "Go up";
item->size = "";
} else if (S_ISDIR(stat_buffer.st_mode)) { // directory
@ -800,7 +800,7 @@ void directory_change_cb(const char* dir, const char* what_changed, int flags, v
item->size = "";
item->realpath += "/";
} else {
item->icon = "unknown";
item->icon = "empty";
item->description = "Unknown";
item->size = nice_size(stat_buffer.st_size);
}
@ -824,25 +824,7 @@ void directory_change_cb(const char* dir, const char* what_changed, int flags, v
}
// TODO: move this to view
// every item should have own context menu defined
Fl_Menu_Item context_menu_definition[] = {
{_("&Open"), 0, open_cb, (void*)1,},
{_("&View"), 0, open_cb, (void*)1,FL_MENU_INVISIBLE},
{_("&Edit"), 0, open_cb, (void*)4,FL_MENU_INVISIBLE},
{_("Pri&nt"), 0, open_cb, (void*)8,FL_MENU_INVISIBLE},
{_("&Execute"), 0, open_cb, (void*)16,FL_MENU_INVISIBLE},
{_("Open &with..."), 0, ow_cb, 0,FL_MENU_DIVIDER},
{_("&Cut"), 0, cut_cb},
{_("Co&py"), 0, copy_cb},
{_("Pa&ste"), 0, paste_cb},
{_("&Delete"), 0, delete_cb, 0,FL_MENU_DIVIDER},
{_("P&references..."), 0, pref_cb},
{0}
};
// Function returns true if file is executable
bool file_executable(const char* path) {
if (stat64(path,&stat_buffer)) return false; // error
@ -858,30 +840,6 @@ bool file_executable(const char* path) {
return false;
}
// Right click - show context menu
void context_cb(Fl_Widget*, void*) {
char* path = (char*)view->path(view->get_focus());
mime_resolver.set(path);
int actions = mailcap_actions(mime_resolver.type().c_str());
Fl_Menu_Item *k = context_menu_definition;
while(k->label()!=0) {
if (k->label()!=0 && strcmp(k->label(),_("&Open"))==0)
if (actions&MAILCAP_EDIT) k->hide(); else k->show();
if (k->label()!=0 && (strcmp(k->label(),_("&View"))==0 || strcmp(k->label(),_("&Edit"))==0))
if (actions&MAILCAP_EDIT) k->show(); else k->hide();
if (k->label()!=0 && strcmp(k->label(),_("Pri&nt"))==0)
if (actions&MAILCAP_PRINT) k->show(); else k->hide();
if (k->label()!=0 && strcmp(k->label(),_("&Execute"))==0)
if (file_executable(path)) k->show(); else k->hide();
k++;
}
context_menu->popup();
context_menu->value(-1);
}
/*-----------------------------------------------------------------
@ -940,15 +898,17 @@ void save_preferences() {
}
/*-----------------------------------------------------------------
GUI design
Menu definitions
-------------------------------------------------------------------*/
// Main window menu - definition
// Main menu
Fl_Menu_Item main_menu_definition[] = {
{_("&File"), 0, 0, 0, FL_SUBMENU},
{_("&Open"), FL_CTRL+'o', open_cb},
{_("Open &with..."), 0, ow_cb, 0,FL_MENU_DIVIDER},
{_("Open &with..."), 0, openwith_cb, 0,FL_MENU_DIVIDER},
// {_("Open &location"), 0, location_cb, 0,FL_MENU_DIVIDER},
{_("&New window"), FL_CTRL+'n', new_cb, 0,FL_MENU_DIVIDER},
{_("&Quit"), FL_CTRL+'q', quit_cb},
@ -985,7 +945,7 @@ Fl_Menu_Item main_menu_definition[] = {
// Update checkbox in main menu
// (needs to come after the menu)
// (needs to come after the menu definition)
void update_menu_item(const char* label, bool value) {
Fl_Menu_Item *k = main_menu_definition;
while(k!=0 && k+1!=0) {
@ -997,6 +957,54 @@ void update_menu_item(const char* label, bool value) {
}
// Context menu - shown on right click in view (see context_cb())
Fl_Menu_Item context_menu_definition[] = {
{_("&Open"), 0, open_cb,},
{_("&View"), 0, open_cb, 0, FL_MENU_INVISIBLE},
{_("&Edit"), 0, fileedit_cb, 0, FL_MENU_INVISIBLE},
{_("Pri&nt"), 0, fileprint_cb, 0, FL_MENU_INVISIBLE},
{_("&Execute"), 0, fileexec_cb, 0,FL_MENU_INVISIBLE},
{_("Open &with..."), 0, openwith_cb, 0,FL_MENU_DIVIDER},
{_("&Cut"), 0, cut_cb},
{_("Co&py"), 0, copy_cb},
{_("Pa&ste"), 0, paste_cb},
{_("&Delete"), 0, delete_cb, 0,FL_MENU_DIVIDER},
{_("P&references..."), 0, pref_cb},
{0}
};
// Right click - show context menu
void context_cb(Fl_Widget*, void*) {
char* path = (char*)view->path(view->get_focus());
mime_resolver.set(path);
int actions = mailcap_actions(mime_resolver.type().c_str());
// Update context menu to show only options relevant to this file type
Fl_Menu_Item *k = context_menu_definition;
while(k->label()!=0) {
if (k->label()!=0 && strcmp(k->label(),_("&Open"))==0)
if (actions&MAILCAP_EDIT) k->hide(); else k->show();
if (k->label()!=0 && (strcmp(k->label(),_("&View"))==0 || strcmp(k->label(),_("&Edit"))==0))
if (actions&MAILCAP_EDIT) k->show(); else k->hide();
if (k->label()!=0 && strcmp(k->label(),_("Pri&nt"))==0)
if (actions&MAILCAP_PRINT) k->show(); else k->hide();
if (k->label()!=0 && strcmp(k->label(),_("&Execute"))==0)
if (file_executable(path)) k->show(); else k->hide();
k++;
}
context_menu->popup();
context_menu->value(-1);
}
/*-----------------------------------------------------------------
main()
-------------------------------------------------------------------*/
// Parser for Fl::args()
int parsecmd(int argc, char**argv, int &index) {
if ((strcmp(argv[index],"-ic")==0) || (strcmp(argv[index],"-icons")==0)) {
edelib::IconTheme::init(argv[++index]);
@ -1034,14 +1042,13 @@ int main (int argc, char **argv) {
notify_available=true;
FL_NORMAL_SIZE=12;
fl_message_font(FL_HELVETICA, 12);
//fl_message_font(FL_HELVETICA, 12);
// Main GUI design
win = new EFiler_Window(default_window_width, default_window_height);
win->init(); // new method required by edelib::Window
// win->color(FL_WHITE);
win->begin();
main_menu = new Fl_Menu_Bar(0,0,default_window_width,menubar_height);
main_menu->menu(main_menu_definition);