diff options
Diffstat (limited to 'Build/source/utils/asymptote/cudareflect/tinyexr/examples/exrview/ThirdPartyLibs/nativefiledialog/src/nfd_gtk.c')
-rw-r--r-- | Build/source/utils/asymptote/cudareflect/tinyexr/examples/exrview/ThirdPartyLibs/nativefiledialog/src/nfd_gtk.c | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/cudareflect/tinyexr/examples/exrview/ThirdPartyLibs/nativefiledialog/src/nfd_gtk.c b/Build/source/utils/asymptote/cudareflect/tinyexr/examples/exrview/ThirdPartyLibs/nativefiledialog/src/nfd_gtk.c new file mode 100644 index 00000000000..2d7b9b5f6e0 --- /dev/null +++ b/Build/source/utils/asymptote/cudareflect/tinyexr/examples/exrview/ThirdPartyLibs/nativefiledialog/src/nfd_gtk.c @@ -0,0 +1,326 @@ +/* + Native File Dialog + + http://www.frogtoss.com/labs +*/ + +#include <stdio.h> +#include <assert.h> +#include <string.h> +#include <gtk/gtk.h> +#include "nfd.h" +#include "nfd_common.h" + + +const char INIT_FAIL_MSG[] = "gtk_init_check failed to initilaize GTK+"; + + +static void AddTypeToFilterName( const char *typebuf, char *filterName, size_t bufsize ) +{ + const char SEP[] = ", "; + + size_t len = strlen(filterName); + if ( len != 0 ) + { + strncat( filterName, SEP, bufsize - len - 1 ); + len += strlen(SEP); + } + + strncat( filterName, typebuf, bufsize - len - 1 ); +} + +static void AddFiltersToDialog( GtkWidget *dialog, const char *filterList ) +{ + GtkFileFilter *filter; + char typebuf[NFD_MAX_STRLEN] = {0}; + const char *p_filterList = filterList; + char *p_typebuf = typebuf; + char filterName[NFD_MAX_STRLEN] = {0}; + + if ( !filterList || strlen(filterList) == 0 ) + return; + + filter = gtk_file_filter_new(); + while ( 1 ) + { + + if ( NFDi_IsFilterSegmentChar(*p_filterList) ) + { + char typebufWildcard[NFD_MAX_STRLEN]; + /* add another type to the filter */ + assert( strlen(typebuf) > 0 ); + assert( strlen(typebuf) < NFD_MAX_STRLEN-1 ); + + snprintf( typebufWildcard, NFD_MAX_STRLEN, "*.%s", typebuf ); + AddTypeToFilterName( typebuf, filterName, NFD_MAX_STRLEN ); + + gtk_file_filter_add_pattern( filter, typebufWildcard ); + + p_typebuf = typebuf; + memset( typebuf, 0, sizeof(char) * NFD_MAX_STRLEN ); + } + + if ( *p_filterList == ';' || *p_filterList == '\0' ) + { + /* end of filter -- add it to the dialog */ + + gtk_file_filter_set_name( filter, filterName ); + gtk_file_chooser_add_filter( GTK_FILE_CHOOSER(dialog), filter ); + + filterName[0] = '\0'; + + if ( *p_filterList == '\0' ) + break; + + filter = gtk_file_filter_new(); + } + + if ( !NFDi_IsFilterSegmentChar( *p_filterList ) ) + { + *p_typebuf = *p_filterList; + p_typebuf++; + } + + p_filterList++; + } + + /* always append a wildcard option to the end*/ + + filter = gtk_file_filter_new(); + gtk_file_filter_set_name( filter, "*.*" ); + gtk_file_filter_add_pattern( filter, "*" ); + gtk_file_chooser_add_filter( GTK_FILE_CHOOSER(dialog), filter ); +} + +static void SetDefaultPath( GtkWidget *dialog, const char *defaultPath ) +{ + if ( !defaultPath || strlen(defaultPath) == 0 ) + return; + + /* GTK+ manual recommends not specifically setting the default path. + We do it anyway in order to be consistent across platforms. + + If consistency with the native OS is preferred, this is the line + to comment out. -ml */ + gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(dialog), defaultPath ); +} + +static nfdresult_t AllocPathSet( GSList *fileList, nfdpathset_t *pathSet ) +{ + size_t bufSize = 0; + GSList *node; + nfdchar_t *p_buf; + size_t count = 0; + + assert(fileList); + assert(pathSet); + + pathSet->count = (size_t)g_slist_length( fileList ); + assert( pathSet->count > 0 ); + + pathSet->indices = NFDi_Malloc( sizeof(size_t)*pathSet->count ); + if ( !pathSet->indices ) + { + return NFD_ERROR; + } + + /* count the total space needed for buf */ + for ( node = fileList; node; node = node->next ) + { + assert(node->data); + bufSize += strlen( (const gchar*)node->data ) + 1; + } + + pathSet->buf = NFDi_Malloc( sizeof(nfdchar_t) * bufSize ); + + /* fill buf */ + p_buf = pathSet->buf; + for ( node = fileList; node; node = node->next ) + { + nfdchar_t *path = (nfdchar_t*)(node->data); + size_t byteLen = strlen(path)+1; + ptrdiff_t index; + + memcpy( p_buf, path, byteLen ); + g_free(node->data); + + index = p_buf - pathSet->buf; + assert( index >= 0 ); + pathSet->indices[count] = (size_t)index; + + p_buf += byteLen; + ++count; + } + + g_slist_free( fileList ); + + return NFD_OKAY; +} + +static void WaitForCleanup(void) +{ + while (gtk_events_pending()) + gtk_main_iteration(); +} + +/* public */ + +nfdresult_t NFD_OpenDialog( const char *filterList, + const nfdchar_t *defaultPath, + nfdchar_t **outPath ) +{ + GtkWidget *dialog; + nfdresult_t result; + + if ( !gtk_init_check( NULL, NULL ) ) + { + NFDi_SetError(INIT_FAIL_MSG); + return NFD_ERROR; + } + + dialog = gtk_file_chooser_dialog_new( "Open File", + NULL, + GTK_FILE_CHOOSER_ACTION_OPEN, + "_Cancel", GTK_RESPONSE_CANCEL, + "_Open", GTK_RESPONSE_ACCEPT, + NULL ); + + /* Build the filter list */ + AddFiltersToDialog(dialog, filterList); + + /* Set the default path */ + SetDefaultPath(dialog, defaultPath); + + result = NFD_CANCEL; + if ( gtk_dialog_run( GTK_DIALOG(dialog) ) == GTK_RESPONSE_ACCEPT ) + { + char *filename; + + filename = gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(dialog) ); + + { + size_t len = strlen(filename); + *outPath = NFDi_Malloc( len + 1 ); + memcpy( *outPath, filename, len + 1 ); + if ( !*outPath ) + { + g_free( filename ); + gtk_widget_destroy(dialog); + return NFD_ERROR; + } + } + g_free( filename ); + + result = NFD_OKAY; + } + + WaitForCleanup(); + gtk_widget_destroy(dialog); + WaitForCleanup(); + + return result; +} + + +nfdresult_t NFD_OpenDialogMultiple( const nfdchar_t *filterList, + const nfdchar_t *defaultPath, + nfdpathset_t *outPaths ) +{ + GtkWidget *dialog; + nfdresult_t result; + + if ( !gtk_init_check( NULL, NULL ) ) + { + NFDi_SetError(INIT_FAIL_MSG); + return NFD_ERROR; + } + + dialog = gtk_file_chooser_dialog_new( "Open Files", + NULL, + GTK_FILE_CHOOSER_ACTION_OPEN, + "_Cancel", GTK_RESPONSE_CANCEL, + "_Open", GTK_RESPONSE_ACCEPT, + NULL ); + gtk_file_chooser_set_select_multiple( GTK_FILE_CHOOSER(dialog), TRUE ); + + /* Build the filter list */ + AddFiltersToDialog(dialog, filterList); + + /* Set the default path */ + SetDefaultPath(dialog, defaultPath); + + result = NFD_CANCEL; + if ( gtk_dialog_run( GTK_DIALOG(dialog) ) == GTK_RESPONSE_ACCEPT ) + { + GSList *fileList = gtk_file_chooser_get_filenames( GTK_FILE_CHOOSER(dialog) ); + if ( AllocPathSet( fileList, outPaths ) == NFD_ERROR ) + { + gtk_widget_destroy(dialog); + return NFD_ERROR; + } + + result = NFD_OKAY; + } + + WaitForCleanup(); + gtk_widget_destroy(dialog); + WaitForCleanup(); + + return result; +} + +nfdresult_t NFD_SaveDialog( const nfdchar_t *filterList, + const nfdchar_t *defaultPath, + nfdchar_t **outPath ) +{ + GtkWidget *dialog; + nfdresult_t result; + + if ( !gtk_init_check( NULL, NULL ) ) + { + NFDi_SetError(INIT_FAIL_MSG); + return NFD_ERROR; + } + + dialog = gtk_file_chooser_dialog_new( "Save File", + NULL, + GTK_FILE_CHOOSER_ACTION_SAVE, + "_Cancel", GTK_RESPONSE_CANCEL, + "_Save", GTK_RESPONSE_ACCEPT, + NULL ); + gtk_file_chooser_set_do_overwrite_confirmation( GTK_FILE_CHOOSER(dialog), TRUE ); + + /* Build the filter list */ + AddFiltersToDialog(dialog, filterList); + + /* Set the default path */ + SetDefaultPath(dialog, defaultPath); + + result = NFD_CANCEL; + if ( gtk_dialog_run( GTK_DIALOG(dialog) ) == GTK_RESPONSE_ACCEPT ) + { + char *filename; + filename = gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(dialog) ); + + { + size_t len = strlen(filename); + *outPath = NFDi_Malloc( len + 1 ); + memcpy( *outPath, filename, len + 1 ); + if ( !*outPath ) + { + g_free( filename ); + gtk_widget_destroy(dialog); + return NFD_ERROR; + } + } + g_free(filename); + + result = NFD_OKAY; + } + + WaitForCleanup(); + gtk_widget_destroy(dialog); + WaitForCleanup(); + + return result; +} |