diff options
Diffstat (limited to 'src/Fl_File_Chooser2.cxx')
| -rw-r--r-- | src/Fl_File_Chooser2.cxx | 950 |
1 files changed, 689 insertions, 261 deletions
diff --git a/src/Fl_File_Chooser2.cxx b/src/Fl_File_Chooser2.cxx index 488898c6c..10e56c960 100644 --- a/src/Fl_File_Chooser2.cxx +++ b/src/Fl_File_Chooser2.cxx @@ -1,5 +1,5 @@ // -// "$Id: Fl_File_Chooser2.cxx,v 1.1.2.14 2002/06/06 21:26:12 easysw Exp $" +// "$Id: Fl_File_Chooser2.cxx,v 1.1.2.15 2002/06/07 15:06:32 easysw Exp $" // // More Fl_File_Chooser routines. // @@ -24,15 +24,19 @@ // // Contents: // -// Fl_File_Chooser::directory() - Set the directory in the file chooser. -// Fl_File_Chooser::count() - Return the number of selected files. -// Fl_File_Chooser::value() - Return a selected filename. -// Fl_File_Chooser::up() - Go up one directory. -// Fl_File_Chooser::newdir() - Make a new directory. -// Fl_File_Chooser::rescan() - Rescan the current directory. -// Fl_File_Chooser::fileListCB() - Handle clicks (and double-clicks) in the -// FileBrowser. -// Fl_File_Chooser::fileNameCB() - Handle text entry in the FileBrowser. +// Fl_File_Chooser::count() - Return the number of selected files. +// Fl_File_Chooser::directory() - Set the directory in the file chooser. +// Fl_File_Chooser::filter() - Set the filter(s) for the chooser. +// Fl_File_Chooser::newdir() - Make a new directory. +// Fl_File_Chooser::value() - Return a selected filename. +// Fl_File_Chooser::rescan() - Rescan the current directory. +// Fl_File_Chooser::favoritesButtonCB() - Handle favorites selections. +// Fl_File_Chooser::fileListCB() - Handle clicks (and double-clicks) +// in the Fl_File_Browser. +// Fl_File_Chooser::fileNameCB() - Handle text entry in the FileBrowser. +// Fl_File_Chooser::showChoiceCB() - Handle show selections. +// quote_pathname() - Quote a pathname for a menu. +// unquote_pathname() - Unquote a pathname from a menu. // // @@ -43,11 +47,11 @@ #include <FL/filename.H> #include <FL/fl_ask.H> #include <FL/x.H> +#include <FL/Fl_Shared_Image.H> #include <stdio.h> #include <stdlib.h> #include "flstring.h" -#include <ctype.h> #include <errno.h> #include <sys/types.h> #include <sys/stat.h> @@ -62,95 +66,34 @@ // -// File chooser label strings... +// File chooser label strings and sort function... // -const char *Fl_File_Chooser::directory_label = "Directory:"; +Fl_Preferences Fl_File_Chooser::prefs_(Fl_Preferences::USER, "fltk.org", "filechooser"); + +const char *Fl_File_Chooser::add_favorites_label = "Add to Favorites"; +const char *Fl_File_Chooser::all_files_label = "All Files (*)"; +const char *Fl_File_Chooser::existing_file_label = "Please choose an existing file!"; +const char *Fl_File_Chooser::favorites_label = "Favorites"; const char *Fl_File_Chooser::filename_label = "Filename:"; -const char *Fl_File_Chooser::filter_label = "New Filter?"; +#ifdef WIN32 +const char *Fl_File_Chooser::filesystems_label = "My Computer"; +#else +const char *Fl_File_Chooser::filesystems_label = "File Systems"; +#endif // WIN32 +const char *Fl_File_Chooser::manage_favorites_label = "Manage Favorites"; +const char *Fl_File_Chooser::new_directory_label = "New Directory?"; +const char *Fl_File_Chooser::preview_label = "Preview"; +const char *Fl_File_Chooser::show_label = "Show:"; Fl_File_Sort_F *Fl_File_Chooser::sort = fl_numericsort; // -// 'Fl_File_Chooser::directory()' - Set the directory in the file chooser. +// Local functions... // -void -Fl_File_Chooser::directory(const char *d)// I - Directory to change to -{ - char pathname[1024], // Full path of directory - *pathptr, // Pointer into full path - *dirptr; // Pointer into directory - int levels; // Number of levels in directory - - -// printf("Fl_File_Chooser::directory(\"%s\")\n", d == NULL ? "(null)" : d); - - // NULL == current directory - if (d == NULL) - d = "."; - - if (d[0] != '\0') - { - // Make the directory absolute... -#if (defined(WIN32) && ! defined(__CYGWIN__))|| defined(__EMX__) - if (d[0] != '/' && d[0] != '\\' && d[1] != ':') -#else - if (d[0] != '/' && d[0] != '\\') -#endif /* WIN32 || __EMX__ */ - fl_filename_absolute(directory_, d); - else - strlcpy(directory_, d, sizeof(directory_)); - - // Strip any trailing slash and/or period... - dirptr = directory_ + strlen(directory_) - 1; - if (*dirptr == '.') - *dirptr-- = '\0'; - if ((*dirptr == '/' || *dirptr == '\\') && dirptr > directory_) - *dirptr = '\0'; - } - else - directory_[0] = '\0'; - - // Clear the directory menu and fill it as needed... - dirMenu->clear(); -#if (defined(WIN32) && ! defined(__CYGWIN__)) || defined(__EMX__) - dirMenu->add("My Computer"); -#else - dirMenu->add("File Systems"); -#endif /* WIN32 || __EMX__ */ - - levels = 0; - for (dirptr = directory_, pathptr = pathname; *dirptr != '\0';) - { - if (*dirptr == '/' || *dirptr == '\\') - { - // Need to quote the slash first, and then add it to the menu... - *pathptr++ = '\\'; - *pathptr++ = '/'; - *pathptr++ = '\0'; - dirptr ++; - - dirMenu->add(pathname); - levels ++; - pathptr = pathname; - } - else - *pathptr++ = *dirptr++; - } - - if (pathptr > pathname) - { - *pathptr = '\0'; - dirMenu->add(pathname); - levels ++; - } - - dirMenu->value(levels); - - // Rescan the directory... - rescan(); -} +static void quote_pathname(char *, const char *, int); +static void unquote_pathname(char *, const char *, int); // @@ -196,230 +139,222 @@ Fl_File_Chooser::count() // -// 'Fl_File_Chooser::value()' - Return a selected filename. +// 'Fl_File_Chooser::directory()' - Set the directory in the file chooser. // -const char * // O - Filename or NULL -Fl_File_Chooser::value(int f) // I - File number +void +Fl_File_Chooser::directory(const char *d)// I - Directory to change to { - int i; // Looping var - int count; // Number of selected files - const char *name; // Current filename - static char pathname[1024]; // Filename + directory + char *dirptr; // Pointer into directory - if (!(type_ & MULTI)) - { - name = fileName->value(); - if (name[0] == '\0') return NULL; - else if (fl_filename_isdir(name)) { - if (type_ & DIRECTORY) return name; - else return NULL; - } else return name; - } +// printf("Fl_File_Chooser::directory(\"%s\")\n", d == NULL ? "(null)" : d); - for (i = 1, count = 0; i <= fileList->size(); i ++) - if (fileList->selected(i)) - { - // See if this file is a directory... - name = fileList->text(i); + // NULL == current directory + if (d == NULL) + d = "."; - if (directory_[0]) { - snprintf(pathname, sizeof(pathname), "%s/%s", directory_, name); - } else { - strlcpy(pathname, name, sizeof(pathname)); - } + if (d[0] != '\0') + { + // Make the directory absolute... +#if (defined(WIN32) && ! defined(__CYGWIN__))|| defined(__EMX__) + if (d[0] != '/' && d[0] != '\\' && d[1] != ':') +#else + if (d[0] != '/' && d[0] != '\\') +#endif /* WIN32 || __EMX__ */ + fl_filename_absolute(directory_, d); + else + strlcpy(directory_, d, sizeof(directory_)); - if (!fl_filename_isdir(pathname)) - { - // Nope, see if this this is "the one"... - count ++; - if (count == f) - return ((const char *)pathname); - } - } + // Strip any trailing slash and/or period... + dirptr = directory_ + strlen(directory_) - 1; + if (*dirptr == '.') + *dirptr-- = '\0'; + if ((*dirptr == '/' || *dirptr == '\\') && dirptr > directory_) + *dirptr = '\0'; + } + else + directory_[0] = '\0'; - return (NULL); + // Rescan the directory... + rescan(); } // -// 'Fl_File_Chooser::value()' - Set the current filename. +// 'Fl_File_Chooser::favoritesButtonCB()' - Handle favorites selections. // void -Fl_File_Chooser::value(const char *filename) // I - Filename + directory +Fl_File_Chooser::favoritesButtonCB() { - int i, // Looping var - count; // Number of items in list - char *slash; // Directory separator - char pathname[1024]; // Local copy of filename + int value; // Current selection + char pathname[1024], // Pathname + menuname[2048]; // Menu name -// printf("Fl_File_Chooser::value(\"%s\")\n", filename == NULL ? "(null)" : filename); + value = favoritesButton->value(); - // See if the filename is the "My System" directory... - if (filename == NULL || !filename[0]) { - // Yes, just change the current directory... - directory(filename); - fileName->value(""); - okButton->deactivate(); - return; - } + if (!value) { + // Add current directory to favorites... + if (getenv("HOME")) value = favoritesButton->size() - 5; + else value = favoritesButton->size() - 4; - // Switch to single-selection mode as needed - if (type_ & MULTI) - type(SINGLE); + sprintf(menuname, "favorite%02d", value); - // See if there is a directory in there... - fl_filename_absolute(pathname, sizeof(pathname), filename); + prefs_.set(menuname, directory_); - if ((slash = strrchr(pathname, '/')) == NULL) - slash = strrchr(pathname, '\\'); + quote_pathname(menuname, directory_, sizeof(menuname)); + favoritesButton->add(menuname); - if (slash != NULL) - { - // Yes, change the display to the directory... - *slash++ = '\0'; + if (favoritesButton->size() > 104) { + ((Fl_Menu_Item *)favoritesButton->menu())[0].deactivate(); + } + } else if (value == 1) { + // Manage favorites... + favoritesCB(0); + } else if (value == 2) { + // Filesystems/My Computer + directory(""); + } else { + unquote_pathname(pathname, favoritesButton->text(value), sizeof(pathname)); directory(pathname); } - else - { - directory("."); - slash = pathname; - } +} - // Set the input field to the absolute path... - if (slash > pathname) slash[-1] = '/'; - fileName->value(pathname); - fileName->position(0, strlen(pathname)); - okButton->activate(); +// +// 'Fl_File_Chooser::favoritesCB()' - Handle favorites dialog. +// - // Then find the file in the file list and select it... - count = fileList->size(); +void +Fl_File_Chooser::favoritesCB(Fl_Widget *w) + // I - Widget +{ + int i; // Looping var + char name[32], // Preference name + pathname[1024]; // Directory in list - fileList->deselect(0); - fileList->redraw(); - for (i = 1; i <= count; i ++) -#if defined(WIN32) || defined(__EMX__) - if (strcasecmp(fileList->text(i), slash) == 0) { -#else - if (strcmp(fileList->text(i), slash) == 0) { -#endif // WIN32 || __EMX__ -// printf("Selecting line %d...\n", i); - fileList->topline(i); - fileList->select(i); - break; + if (!w) { + // Load the favorites list... + favList->clear(); + favList->deselect(); + + for (i = 0; i < 100; i ++) { + // Get favorite directory 0 to 99... + sprintf(name, "favorite%02d", i); + + prefs_.get(name, pathname, "", sizeof(pathname)); + + // Stop on the first empty favorite... + if (!pathname[0]) break; + + // Add the favorite to the list... + favList->add(pathname, + Fl_File_Icon::find(pathname, Fl_File_Icon::DIRECTORY)); } -} + favUpButton->deactivate(); + favDeleteButton->deactivate(); + favDownButton->deactivate(); + favOkButton->deactivate(); + + favWindow->hotspot(favList); + favWindow->show(); + } else if (w == favList) { + i = favList->value(); + if (i) { + if (i > 1) favUpButton->activate(); + else favUpButton->deactivate(); + + favDeleteButton->activate(); + + if (i < favList->size()) favDownButton->activate(); + else favDownButton->deactivate(); + } else { + favUpButton->deactivate(); + favDeleteButton->deactivate(); + favDownButton->deactivate(); + } + } else if (w == favUpButton) { + i = favList->value(); -// -// 'Fl_File_Chooser::up()' - Go up one directory. -// + favList->insert(i - 1, favList->text(i), favList->data(i)); + favList->remove(i + 1); + favList->select(i - 1); -void -Fl_File_Chooser::up() -{ - char *slash; // Trailing slash + if (i == 2) favUpButton->deactivate(); + favDownButton->activate(); - if ((slash = strrchr(directory_, '/')) == NULL) - slash = strrchr(directory_, '\\'); + favOkButton->activate(); + } else if (w == favDeleteButton) { + i = favList->value(); - if (directory_[0] != '\0') - dirMenu->value(dirMenu->value() - 1); + favList->remove(i); - if (slash != NULL) - *slash = '\0'; - else - { - upButton->deactivate(); - directory_[0] = '\0'; - } + if (i > favList->size()) i --; + favList->select(i); - rescan(); -} + if (i < favList->size()) favDownButton->activate(); + else favDownButton->deactivate(); + if (i > 1) favUpButton->activate(); + else favUpButton->deactivate(); -// -// 'Fl_File_Chooser::newdir()' - Make a new directory. -// + if (!i) favDeleteButton->deactivate(); -void -Fl_File_Chooser::newdir() -{ - const char *dir; // New directory name - char pathname[1024]; // Full path of directory + favOkButton->activate(); + } else if (w == favDownButton) { + i = favList->value(); + favList->insert(i + 2, favList->text(i), favList->data(i)); + favList->remove(i); + favList->select(i + 1); - // Get a directory name from the user - if ((dir = fl_input("New Directory?", NULL)) == NULL) - return; + if ((i + 1) == favList->size()) favDownButton->deactivate(); - // Make it relative to the current directory as needed... -#if (defined(WIN32) && ! defined (__CYGWIN__)) || defined(__EMX__) - if (dir[0] != '/' && dir[0] != '\\' && dir[1] != ':') -#else - if (dir[0] != '/' && dir[0] != '\\') -#endif /* WIN32 || __EMX__ */ - snprintf(pathname, sizeof(pathname), "%s/%s", directory_, dir); - else - strlcpy(pathname, dir, sizeof(pathname)); + favUpButton->activate(); - // Create the directory; ignore EEXIST errors... -#if defined(WIN32) && ! defined (__CYGWIN__) - if (mkdir(pathname)) -#else - if (mkdir(pathname, 0777)) -#endif /* WIN32 */ - if (errno != EEXIST) - { - fl_alert("Unable to create directory!"); - return; + favOkButton->activate(); + } else if (w == favOkButton) { + // Copy the new list over... + for (i = 0; i < favList->size(); i ++) { + // Set favorite directory 0 to 99... + sprintf(name, "favorite%02d", i); + + prefs_.set(name, favList->text(i + 1)); } - // Show the new directory... - directory(pathname); -} + // Clear old entries as necessary... + for (; i < 100; i ++) { + // Clear favorite directory 0 to 99... + sprintf(name, "favorite%02d", i); + prefs_.get(name, pathname, "", sizeof(pathname)); -// -// 'Fl_File_Chooser::rescan()' - Rescan the current directory. -// - -void -Fl_File_Chooser::rescan() -{ - char pathname[1024]; // New pathname for filename field + if (pathname[0]) prefs_.set(name, ""); + else break; + } -// printf("Fl_File_Chooser::rescan(); directory = \"%s\"\n", directory_); + update_favorites(); - // Clear the current filename - strlcpy(pathname, directory_, sizeof(pathname)); - if (pathname[strlen(pathname) - 1] != '/') { - strlcat(pathname, "/", sizeof(pathname)); + favWindow->hide(); } - fileName->value(pathname); - okButton->deactivate(); - - // Build the file list... - fileList->load(directory_, sort); } // // 'Fl_File_Chooser::fileListCB()' - Handle clicks (and double-clicks) in the -// FileBrowser. +// Fl_File_Browser. // void Fl_File_Chooser::fileListCB() { - char *filename, // New filename - pathname[1024]; // Full pathname to file + char *filename, // New filename + pathname[1024]; // Full pathname to file filename = (char *)fileList->text(fileList->value()); @@ -440,16 +375,12 @@ Fl_File_Chooser::fileListCB() if (fl_filename_isdir(pathname)) #endif /* WIN32 || __EMX__ */ { + // Change directories... directory(pathname); - upButton->activate(); } else { - // Do any callback that is registered... - if (callback_) - (*callback_)(this, data_); - - // Hide the window... + // Hide the window - picked the file... window->hide(); } } @@ -461,6 +392,14 @@ Fl_File_Chooser::fileListCB() fileName->value(pathname); + // Update the preview box... + Fl::remove_timeout((Fl_Timeout_Handler)previewCB, this); + Fl::add_timeout(1.0, (Fl_Timeout_Handler)previewCB, this); + + // Do any callback that is registered... + if (callback_) (*callback_)(this, data_); + + // Activate the OK button as needed... if (!fl_filename_isdir(pathname) || (type_ & DIRECTORY)) okButton->activate(); } @@ -537,9 +476,11 @@ Fl_File_Chooser::fileNameCB() if (type_ & MULTI) type(SINGLE); + // Update the preview box... + update_preview(); + // Do any callback that is registered... - if (callback_) - (*callback_)(this, data_); + if (callback_) (*callback_)(this, data_); // Hide the window to signal things are done... window->hide(); @@ -547,7 +488,7 @@ Fl_File_Chooser::fileNameCB() else { // File doesn't exist, so beep at and alert the user... - fl_alert("Please choose an existing file!"); + fl_alert(existing_file_label); } } else if (Fl::event_key() != FL_Delete && @@ -675,5 +616,492 @@ Fl_File_Chooser::fileNameCB() // -// End of "$Id: Fl_File_Chooser2.cxx,v 1.1.2.14 2002/06/06 21:26:12 easysw Exp $". +// 'Fl_File_Chooser::filter()' - Set the filter(s) for the chooser. +// + +void +Fl_File_Chooser::filter(const char *p) // I - Pattern(s) +{ + char *copyp, // Copy of pattern + *start, // Start of pattern + *end; // End of pattern + int allfiles; // Do we have a "*" pattern? + + + // Make sure we have a pattern... + if (!p || !*p) p = "*"; + + // Copy the pattern string... + copyp = strdup(p); + + // Separate the pattern string as necessary... + showChoice->clear(); + showChoice->add("bla"); + showChoice->clear(); + + for (start = copyp, allfiles = 0; start && *start; start = end) { + end = strchr(start, '\t'); + if (end) *end++ = '\0'; + + if (strcmp(start, "*") == 0) { + showChoice->add(all_files_label); + allfiles = 1; + } else { + showChoice->add(start); + if (strstr(start, "(*)") != NULL) allfiles = 1; + } + } + + free(copyp); + + if (!allfiles) showChoice->add(all_files_label); + + showChoice->value(0); + showChoiceCB(); +} + + +// +// 'Fl_File_Chooser::newdir()' - Make a new directory. +// + +void +Fl_File_Chooser::newdir() +{ + const char *dir; // New directory name + char pathname[1024]; // Full path of directory + + + // Get a directory name from the user + if ((dir = fl_input(new_directory_label, NULL)) == NULL) + return; + + // Make it relative to the current directory as needed... +#if (defined(WIN32) && ! defined (__CYGWIN__)) || defined(__EMX__) + if (dir[0] != '/' && dir[0] != '\\' && dir[1] != ':') +#else + if (dir[0] != '/' && dir[0] != '\\') +#endif /* WIN32 || __EMX__ */ + snprintf(pathname, sizeof(pathname), "%s/%s", directory_, dir); + else + strlcpy(pathname, dir, sizeof(pathname)); + + // Create the directory; ignore EEXIST errors... +#if defined(WIN32) && ! defined (__CYGWIN__) + if (mkdir(pathname)) +#else + if (mkdir(pathname, 0777)) +#endif /* WIN32 */ + if (errno != EEXIST) + { + fl_alert("%s", strerror(errno)); + return; + } + + // Show the new directory... + directory(pathname); +} + + +// +// 'Fl_File_Chooser::preview()' - Enable or disable the preview tile. +// + +void +Fl_File_Chooser::preview(int e)// I - 1 = enable preview, 0 = disable preview +{ + previewButton->value(e); + prefs_.set("preview", e); + + if (e) { + int w = previewBox->h() * 2 / 3; + fileList->resize(fileList->x(), fileList->y(), + window->w() - 20 - w, fileList->h()); + previewBox->resize(window->w() - 10 - w, previewBox->y(), + w, previewBox->h()); + + update_preview(); + } else { + fileList->resize(fileList->x(), fileList->y(), + window->w() - 20, fileList->h()); + previewBox->resize(window->w() - 10, previewBox->y(), + 0, previewBox->h()); + } + + fileList->parent()->redraw(); +} + + +// +// 'Fl_File_Chooser::previewCB()' - Timeout handler for the preview box. +// + +void +Fl_File_Chooser::previewCB(Fl_File_Chooser *fc) { // I - File chooser + fc->update_preview(); +} + + +// +// 'Fl_File_Chooser::rescan()' - Rescan the current directory. +// + +void +Fl_File_Chooser::rescan() +{ + char pathname[1024]; // New pathname for filename field + + // Clear the current filename + strlcpy(pathname, directory_, sizeof(pathname)); + if (pathname[strlen(pathname) - 1] != '/') { + strlcat(pathname, "/", sizeof(pathname)); + } + fileName->value(pathname); + okButton->deactivate(); + + // Build the file list... + fileList->load(directory_, sort); + + // Update the preview box... + update_preview(); +} + + +// +// 'Fl_File_Chooser::showChoiceCB()' - Handle show selections. +// + +void +Fl_File_Chooser::showChoiceCB() +{ + const char *item, // Selected item + *patstart; // Start of pattern + char *patend; // End of pattern + + + item = showChoice->text(showChoice->value()); + + if ((patstart = strchr(item, '(')) == NULL) { + strlcpy(pattern_, item, sizeof(pattern_)); + } else { + strlcpy(pattern_, patstart + 1, sizeof(pattern_)); + if ((patend = strrchr(pattern_, ')')) != NULL) *patend = '\0'; + } + + fileList->filter(pattern_); + rescan(); +} + + +// +// 'Fl_File_Chooser::update_favorites()' - Update the favorites menu. +// + +void +Fl_File_Chooser::update_favorites() +{ + int i; // Looping var + char pathname[1024], // Pathname + menuname[2048]; // Menu name + const char *home; // Home directory + + + favoritesButton->clear(); + favoritesButton->add("bla"); + favoritesButton->clear(); + favoritesButton->add(add_favorites_label, FL_ALT + 'a', 0); + favoritesButton->add(manage_favorites_label, FL_ALT + 'm', 0, 0, FL_MENU_DIVIDER); + favoritesButton->add(filesystems_label, FL_ALT + 'f', 0); + + if ((home = getenv("HOME")) != NULL) { + quote_pathname(menuname, home, sizeof(menuname)); + favoritesButton->add(menuname, FL_ALT + 'h', 0); + } + + for (i = 0; i < 100; i ++) { + sprintf(menuname, "favorite%02d", i); + prefs_.get(menuname, pathname, "", sizeof(pathname)); + if (!pathname[0]) break; + + quote_pathname(menuname, pathname, sizeof(menuname)); + + if (i < 10) favoritesButton->add(menuname, FL_ALT + '0' + i, 0); + else favoritesButton->add(menuname); + } + + if (i == 100) ((Fl_Menu_Item *)favoritesButton->menu())[0].deactivate(); +} + + +// +// 'Fl_File_Chooser::update_preview()' - Update the preview box... +// + +void +Fl_File_Chooser::update_preview() +{ + const char *filename; // Current filename + Fl_Shared_Image *image, // New image + *oldimage; // Old image + int pbw, pbh; // Width and height of preview box + int w, h; // Width and height of preview image + + + if (!previewButton->value()) return; + + if ((filename = value()) == NULL) image = NULL; + else { + window->cursor(FL_CURSOR_WAIT); + Fl::check(); + + image = Fl_Shared_Image::get(filename); + + if (image) { + window->cursor(FL_CURSOR_DEFAULT); + Fl::check(); + } + } + + oldimage = (Fl_Shared_Image *)previewBox->image(); + + if (oldimage) while (oldimage->refcount()) oldimage->release(); + + previewBox->image(0); + + if (!image) { + FILE *fp; + int bytes; + char *ptr; + + if (filename) fp = fopen(filename, "rb"); + else fp = NULL; + + if (fp != NULL) { + // Try reading the first 1k of data for a label... + bytes = fread(preview_text_, 1, sizeof(preview_text_) - 1, fp); + preview_text_[bytes] = '\0'; + fclose(fp); + } else { + // Assume we can't read any data... + preview_text_[0] = '\0'; + } + + window->cursor(FL_CURSOR_DEFAULT); + Fl::check(); + + // Scan the buffer for printable chars... + for (ptr = preview_text_; *ptr && (isprint(*ptr) || isspace(*ptr)); ptr ++); + + if (*ptr || ptr == preview_text_) { + // Non-printable file, just show a big ?... + previewBox->label(filename ? "?" : 0); + previewBox->align(FL_ALIGN_CLIP); + previewBox->labelsize(100); + previewBox->labelfont(FL_HELVETICA); + } else { + // Show the first 1k of text... + int size = previewBox->h() / 20; + if (size < 6) size = 6; + else if (size > 14) size = 14; + + previewBox->label(preview_text_); + previewBox->align((Fl_Align)(FL_ALIGN_CLIP | FL_ALIGN_INSIDE | + FL_ALIGN_LEFT | FL_ALIGN_TOP)); + previewBox->labelsize(size); + previewBox->labelfont(FL_COURIER); + } + } else { + pbw = previewBox->w() - 20; + pbh = previewBox->h() - 20; + + if (image->w() > pbw || image->h() > pbh) { + w = pbw; + h = w * image->h() / image->w(); + + if (h > pbh) { + h = pbh; + w = h * image->w() / image->h(); + } + + oldimage = (Fl_Shared_Image *)image->copy(w, h); + previewBox->image((Fl_Image *)oldimage); + + image->release(); + } else { + previewBox->image((Fl_Image *)image); + } + + previewBox->align(FL_ALIGN_CLIP); + previewBox->label(0); + } + + previewBox->redraw(); +} + + +// +// 'Fl_File_Chooser::value()' - Return a selected filename. +// + +const char * // O - Filename or NULL +Fl_File_Chooser::value(int f) // I - File number +{ + int i; // Looping var + int count; // Number of selected files + const char *name; // Current filename + static char pathname[1024]; // Filename + directory + + + if (!(type_ & MULTI)) + { + name = fileName->value(); + if (name[0] == '\0') return NULL; + else if (fl_filename_isdir(name)) { + if (type_ & DIRECTORY) return name; + else return NULL; + } else return name; + } + + for (i = 1, count = 0; i <= fileList->size(); i ++) + if (fileList->selected(i)) + { + // See if this file is a directory... + name = fileList->text(i); + + if (directory_[0]) { + snprintf(pathname, sizeof(pathname), "%s/%s", directory_, name); + } else { + strlcpy(pathname, name, sizeof(pathname)); + } + + if (!fl_filename_isdir(pathname)) + { + // Nope, see if this this is "the one"... + count ++; + if (count == f) + return ((const char *)pathname); + } + } + + return (NULL); +} + + +// +// 'Fl_File_Chooser::value()' - Set the current filename. +// + +void +Fl_File_Chooser::value(const char *filename) // I - Filename + directory +{ + int i, // Looping var + count; // Number of items in list + char *slash; // Directory separator + char pathname[1024]; // Local copy of filename + + +// printf("Fl_File_Chooser::value(\"%s\")\n", filename == NULL ? "(null)" : filename); + + // See if the filename is the "My System" directory... + if (filename == NULL || !filename[0]) { + // Yes, just change the current directory... + directory(filename); + fileName->value(""); + okButton->deactivate(); + return; + } + + // Switch to single-selection mode as needed + if (type_ & MULTI) + type(SINGLE); + + // See if there is a directory in there... + fl_filename_absolute(pathname, sizeof(pathname), filename); + + if ((slash = strrchr(pathname, '/')) == NULL) + slash = strrchr(pathname, '\\'); + + if (slash != NULL) + { + // Yes, change the display to the directory... + *slash++ = '\0'; + directory(pathname); + } + else + { + directory("."); + slash = pathname; + } + + // Set the input field to the absolute path... + if (slash > pathname) slash[-1] = '/'; + + fileName->value(pathname); + fileName->position(0, strlen(pathname)); + okButton->activate(); + + // Then find the file in the file list and select it... + count = fileList->size(); + + fileList->deselect(0); + fileList->redraw(); + + for (i = 1; i <= count; i ++) +#if defined(WIN32) || defined(__EMX__) + if (strcasecmp(fileList->text(i), slash) == 0) { +#else + if (strcmp(fileList->text(i), slash) == 0) { +#endif // WIN32 || __EMX__ +// printf("Selecting line %d...\n", i); + fileList->topline(i); + fileList->select(i); + break; + } +} + + +// +// 'quote_pathname()' - Quote a pathname for a menu. +// + +static void +quote_pathname(char *dst, // O - Destination string + const char *src, // I - Source string + int dstsize) // I - Size of destination string +{ + dstsize --; + + while (*src && dstsize > 1) { + if (*src == '/') + *dst++ = '\\'; + + *dst++ = *src++; + } + + *dst = '\0'; +} + + +// +// 'unquote_pathname()' - Unquote a pathname from a menu. +// + +static void +unquote_pathname(char *dst, // O - Destination string + const char *src, // I - Source string + int dstsize) // I - Size of destination string +{ + dstsize --; + + while (*src && dstsize > 1) { + if (*src == '\\') src ++; + *dst++ = *src++; + } + + *dst = '\0'; +} + + +// +// End of "$Id: Fl_File_Chooser2.cxx,v 1.1.2.15 2002/06/07 15:06:32 easysw Exp $". // |