diff options
Diffstat (limited to 'app/wlib/gtklib/gtktext.c')
| -rw-r--r-- | app/wlib/gtklib/gtktext.c | 670 |
1 files changed, 0 insertions, 670 deletions
diff --git a/app/wlib/gtklib/gtktext.c b/app/wlib/gtklib/gtktext.c deleted file mode 100644 index e067f43..0000000 --- a/app/wlib/gtklib/gtktext.c +++ /dev/null @@ -1,670 +0,0 @@ -/** \file gtktext.c - * Multi-line Text Boxes - */ - -/* XTrkCad - Model Railroad CAD - * Copyright (C) 2005 Dave Bullis - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#define GTK_ENABLE_BROKEN -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> -#include "i18n.h" -#include "gtkint.h" - -/* - * Disable USE_TEXTVIEW to use the deprecated gtk_text - */ -#define USE_TEXTVIEW - - -struct PrintData { - wText_p tb; - gint lines_per_page; - gdouble font_size; - gchar **lines; - gint total_lines; - gint total_pages; -}; - -#define HEADER_HEIGHT 20.0 -#define HEADER_GAP 8.5 - -struct wText_t { - WOBJ_COMMON - wPos_t width, height; - int changed; - GtkWidget * text; - GtkWidget * vscroll; - }; - -EXPORT void wTextClear( - wText_p bt ) -{ -#ifdef USE_TEXTVIEW - GtkTextBuffer * tb; -#endif - if (bt->text == 0) abort(); -#ifdef USE_TEXTVIEW - tb = gtk_text_view_get_buffer( GTK_TEXT_VIEW(bt->text) ); - gtk_text_buffer_set_text( tb, "", -1 ); - if (bt->option & BO_READONLY) - gtk_text_view_set_editable( GTK_TEXT_VIEW(bt->text), FALSE ); -#else - gtk_text_set_point( GTK_TEXT(bt->text), 0 ); - gtk_text_forward_delete( GTK_TEXT(bt->text), gtk_text_get_length( GTK_TEXT(bt->text) ) ); - if (bt->option & BO_READONLY) - gtk_text_set_editable( GTK_TEXT(bt->text), FALSE ); -#endif - bt->changed = FALSE; -} - -EXPORT void wTextAppend( - wText_p bt, - const char * text ) -{ -#ifdef USE_TEXTVIEW - GtkTextBuffer * tb; - GtkTextIter ti1, ti2; -#else - static GdkFont * fixedRegularFont = NULL; - static GdkFont * fixedBoldFont = NULL; - static GdkFont * variableRegularFont = NULL; - static GdkFont * variableBoldFont = NULL; - GdkFont * regularFont = NULL; - GdkFont * boldFont = NULL; -#endif - wBool_t doBold; - char * cp; - int len; - - if (bt->text == 0) abort(); -#ifdef USE_TEXTVIEW - tb = gtk_text_view_get_buffer( GTK_TEXT_VIEW(bt->text) ); -#else - if ((bt->option&BT_FIXEDFONT)) { - if (fixedRegularFont==NULL) - fixedRegularFont = gdk_font_load( "-*-courier-medium-r-*-*-12-*-*-*-*-*-iso8859-*" ); - if (fixedBoldFont==NULL) - fixedBoldFont = gdk_font_load( "-*-courier-bold-r-*-*-12-*-*-*-*-*-iso8859-*" ); - regularFont = fixedRegularFont; - boldFont = fixedBoldFont; - } else { - if (variableRegularFont==NULL) - variableRegularFont = gdk_font_load( "-*-helvetica-medium-r-*-*-12-*-*-*-*-*-iso8859-*" ); - if (variableBoldFont==NULL) - variableBoldFont = gdk_font_load( "-*-helvetica-bold-r-*-*-12-*-*-*-*-*-iso8859-*" ); - regularFont = variableRegularFont; - boldFont = variableBoldFont; - } -#endif - /*gtk_text_freeze( GTK_TEXT (bt->text) );*/ - doBold = FALSE; - text = gtkConvertInput( text ); - while ( text && *text ) { - if ( (bt->option & BT_DOBOLD) != 0 && - ( cp = strchr( text, doBold?'>':'<' ) ) != NULL ) { - len = cp-text; - cp++; - } else { - len = -1; - cp = NULL; - } - if ( len != 0 ) { -#ifdef USE_TEXTVIEW - gtk_text_buffer_get_bounds( tb, &ti1, &ti2 ); - if ( !doBold ) - gtk_text_buffer_insert( tb, &ti2, text, len ); - else - gtk_text_buffer_insert_with_tags_by_name( tb, &ti2, text, len, "bold", NULL ); -#else - gtk_text_insert( GTK_TEXT(bt->text), doBold?boldFont:regularFont, &bt->text->style->black, NULL, text, len ); -#endif - } - text = cp; - doBold = !doBold; - } - /*gtk_text_set_point( GTK_TEXT(bt->text), gtk_text_get_length( GTK_TEXT(bt->text) )-1 );*/ - /*gtk_text_thaw( GTK_TEXT (bt->text) );*/ - bt->changed = FALSE; -} - -EXPORT void gtkTextFreeze( - wText_p bt ) -{ -#ifdef USE_TEXTVIEW - gtk_text_view_set_editable( GTK_TEXT_VIEW(bt->text), FALSE ); -#else - gtk_text_freeze( GTK_TEXT (bt->text) ); -#endif -} - -EXPORT void gtkTextThaw( - wText_p bt ) -{ -#ifdef USE_TEXTVIEW - gtk_text_view_set_editable( GTK_TEXT_VIEW(bt->text), TRUE ); -#else - gtk_text_thaw( GTK_TEXT (bt->text) ); -#endif -} - -EXPORT void wTextReadFile( - wText_p bt, - const char * fileName ) -{ - FILE * f; - char buff[BUFSIZ+1]; - if (fileName) { - f = fopen( fileName, "r" ); - if (f == NULL) { - perror( fileName ); - return; - } - while (fgets( buff, sizeof buff, f ) != NULL ) { - wTextAppend( bt, buff ); - } - } -} - - -#ifdef USE_TEXTVIEW -static char * gtkGetText( - wText_p bt ) -{ - GtkTextBuffer * tb; - GtkTextIter ti1, ti2; - char * cp; - if (bt->text == 0) abort(); - tb = gtk_text_view_get_buffer( GTK_TEXT_VIEW(bt->text) ); - gtk_text_buffer_get_bounds( tb, &ti1, &ti2 ); - cp = gtk_text_buffer_get_text( tb, &ti1, &ti2, FALSE ); - cp = gtkConvertOutput( cp ); - return cp; -} -#endif - - -EXPORT wBool_t wTextSave( - wText_p bt, - const char * fileName ) -{ -#ifndef USE_TEXTVIEW - int siz, pos, cnt; -#endif - FILE * f; - char * cp; - - f = fopen( fileName, "w" ); - if (f==NULL) { - wNoticeEx( NT_ERROR, fileName, "Ok", NULL ); - return FALSE; - } -#ifdef USE_TEXTVIEW - cp = gtkGetText( bt ); - fwrite( cp, 1, strlen(cp), f ); - free(cp); -#else - siz = gtk_text_get_length( GTK_TEXT(bt->text) ); - pos = 0; - cnt = BUFSIZ; - while (pos<siz) { - if (pos+cnt>siz) - cnt = siz-pos; - cp = gtk_editable_get_chars( GTK_EDITABLE(bt->text), pos, pos+cnt ); - if (cp == NULL) - break; - fwrite( cp, 1, cnt, f ); - free(cp); - pos += cnt; - } -#endif - fclose(f); - return TRUE; -} -/** - * Begin the printing by retrieving the contents of the text box and - * count the lines of text. - * - * \param operation IN the GTK print operation - * \param context IN print context - * \param pd IN data structure for user data - * - */ - -static void -begin_print (GtkPrintOperation *operation, - GtkPrintContext *context, - struct PrintData *pd) -{ - gchar *contents; - gdouble height; - - contents = gtkGetText( pd->tb ); - pd->lines = g_strsplit (contents, "\n", 0); - - /* Count the total number of lines in the file. */ - /* ignore the header lines */ - pd->total_lines = 6; - while (pd->lines[pd->total_lines] != NULL) - pd->total_lines++; - - /* Based on the height of the page and font size, calculate how many lines can be - * rendered on a single page. A padding of 3 is placed between lines as well. - * Space for page header, table header and footer lines is subtracted from the total size - */ - height = gtk_print_context_get_height (context) - (pd->font_size + 3) - 2 * ( HEADER_HEIGHT + HEADER_GAP ); - pd->lines_per_page = floor (height / (pd->font_size + 3)); - pd->total_pages = (pd->total_lines - 1) / pd->lines_per_page + 1; - gtk_print_operation_set_n_pages (operation, pd->total_pages); - - free( contents ); -} - -/** - * Draw the page, which includes a header with the file name and page number along - * with one page of text with a font of "Monospace 10". - * - * \param operation IN the GTK print operation - * \param context IN print context - * \param page_nr IN page to print - * \param pd IN data structure for user data - * - * - */ - -static void -draw_page (GtkPrintOperation *operation, - GtkPrintContext *context, - gint page_nr, - struct PrintData *pd ) -{ - cairo_t *cr; - PangoLayout *layout; - gdouble width, text_height, height; - gint line, i, text_width, layout_height; - PangoFontDescription *desc; - gchar *page_str; - - cr = gtk_print_context_get_cairo_context (context); - width = gtk_print_context_get_width (context); - - layout = gtk_print_context_create_pango_layout (context); - desc = pango_font_description_from_string ("Monospace"); - pango_font_description_set_size (desc, pd->font_size * PANGO_SCALE); - - /* - * render the header line with document type parts list on left and - * first line of layout title on right - */ - - pango_layout_set_font_description (layout, desc); - pango_layout_set_text (layout, pd->lines[ 0 ], -1); // document type - pango_layout_set_width (layout, -1); - pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT); - pango_layout_get_size (layout, NULL, &layout_height); - text_height = (gdouble) layout_height / PANGO_SCALE; - - cairo_move_to (cr, 0, (HEADER_HEIGHT - text_height) / 2); - pango_cairo_show_layout (cr, layout); - - pango_layout_set_text (layout, pd->lines[ 2 ], -1); // layout title - pango_layout_get_size (layout, &text_width, NULL); - pango_layout_set_alignment (layout, PANGO_ALIGN_RIGHT); - - cairo_move_to (cr, width - (text_width / PANGO_SCALE), - (HEADER_HEIGHT - text_height) / 2); - pango_cairo_show_layout (cr, layout); - - /* Render the column header */ - cairo_move_to (cr, 0, HEADER_HEIGHT + HEADER_GAP + pd->font_size + 3 ); - pango_layout_set_text (layout, pd->lines[ 6 ], -1); - pango_cairo_show_layout (cr, layout); - cairo_rel_move_to (cr, 0, pd->font_size + 3 ); - pango_layout_set_text (layout, pd->lines[ 7 ], -1); - pango_cairo_show_layout (cr, layout); - - /* Render the page text with the specified font and size. */ - cairo_rel_move_to (cr, 0, pd->font_size + 3 ); - line = page_nr * pd->lines_per_page + 8; - for (i = 0; i < pd->lines_per_page && line < pd->total_lines; i++) - { - pango_layout_set_text (layout, pd->lines[line], -1); - pango_cairo_show_layout (cr, layout); - cairo_rel_move_to (cr, 0, pd->font_size + 3); - line++; - } - - /* - * Render the footer line with date on the left and page number - * on the right - */ - pango_layout_set_text (layout, pd->lines[ 5 ], -1); // date - pango_layout_set_width (layout, -1); - pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT); - pango_layout_get_size (layout, NULL, &layout_height); - text_height = (gdouble) layout_height / PANGO_SCALE; - - height = gtk_print_context_get_height (context); - cairo_move_to (cr, 0, height - ((HEADER_HEIGHT - text_height) / 2)); - pango_cairo_show_layout (cr, layout); - - page_str = g_strdup_printf (_("%d of %d"), page_nr + 1, pd->total_pages); // page number - pango_layout_set_text( layout, page_str, -1 ); - pango_layout_get_size (layout, &text_width, NULL); - pango_layout_set_alignment (layout, PANGO_ALIGN_RIGHT); - - cairo_move_to (cr, width - (text_width / PANGO_SCALE), - height - ((HEADER_HEIGHT - text_height) / 2)); - pango_cairo_show_layout (cr, layout); - - g_free (page_str); - g_object_unref (layout); - pango_font_description_free (desc); -} - -/** - * Clean up after the printing operation since it is done. - * - * \param operation IN the GTK print operation - * \param context IN print context - * \param pd IN data structure for user data - * - * - */ -static void -end_print (GtkPrintOperation *operation, - GtkPrintContext *context, - struct PrintData *pd) -{ - g_strfreev (pd->lines); - free( pd ); -} - -/** - * Print the content of a multi line text box. This function is only used - * for printing the parts list. So it makes some assumptions on the structure - * and the content. Change if the multi line entry is changed. - * The deprecated gtk_text is not supported by this function. - * - * Thanks to Andrew Krause's book for a good starting point. - * - * \param bt IN the text field - * \return TRUE on success, FALSE on error - */ - -EXPORT wBool_t wTextPrint( - wText_p bt ) -{ - GtkPrintOperation *operation; - GtkWidget *dialog; - GError *error = NULL; - gint res; - struct PrintData *data; - - /* Create a new print operation, applying saved print settings if they exist. */ - operation = gtk_print_operation_new (); - WlibApplySettings( operation ); - - data = malloc(sizeof( struct PrintData)); - data->font_size = 10.0; - data->tb = bt; - - g_signal_connect (G_OBJECT (operation), "begin_print", - G_CALLBACK (begin_print), (gpointer) data); - g_signal_connect (G_OBJECT (operation), "draw_page", - G_CALLBACK (draw_page), (gpointer) data); - g_signal_connect (G_OBJECT (operation), "end_print", - G_CALLBACK (end_print), (gpointer) data); - - /* Run the default print operation that will print the selected file. */ - res = gtk_print_operation_run (operation, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, - GTK_WINDOW(gtkMainW->gtkwin), &error); - - /* If the print operation was accepted, save the new print settings. */ - if (res == GTK_PRINT_OPERATION_RESULT_APPLY) - { - WlibSaveSettings( operation ); - } - /* Otherwise, report that the print operation has failed. */ - else if (error) - { - dialog = gtk_message_dialog_new (GTK_WINDOW (gtkMainW->gtkwin), - GTK_DIALOG_DESTROY_WITH_PARENT, - GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, - error->message); - - g_error_free (error); - gtk_dialog_run (GTK_DIALOG (dialog)); - gtk_widget_destroy (dialog); - } - g_object_unref (operation); - - return TRUE; -} - - -EXPORT int wTextGetSize( - wText_p bt ) -{ -#ifdef USE_TEXTVIEW - char * cp = gtkGetText( bt ); - int len = strlen( cp ); - free( cp ); - return len; -#else - return (int)gtk_text_get_length( GTK_TEXT(bt->text) ); -#endif -} - - -EXPORT void wTextGetText( - wText_p bt, - char * text, - int len ) -{ - char * cp; -#ifdef USE_TEXTVIEW - cp = gtkGetText(bt); - strncpy( text, cp, len ); - free( cp ); -#else - cp = gtk_editable_get_chars( GTK_EDITABLE(bt->text), 0, len ); - strncpy( text, cp, len ); -#endif -} - - -EXPORT void wTextSetReadonly ( - wText_p bt, - wBool_t ro ) -{ -#ifdef USE_TEXTVIEW - gtk_text_view_set_editable( GTK_TEXT_VIEW(bt->text), !ro ); -#else - gtk_text_set_editable( GTK_TEXT(bt->text), !ro ); -#endif - if (ro) { - bt->option |= BO_READONLY; - } else { - bt->option &= ~BO_READONLY; - } -} - - -EXPORT wBool_t wTextGetModified( - wText_p bt ) -{ - return bt->changed; -} - - -EXPORT void wTextSetSize( - wText_p bt, - wPos_t w, - wPos_t h ) -{ -#ifdef USE_TEXTVIEW - gtk_widget_set_size_request( bt->widget, w, h ); -// gtk_widget_set_size_request( bt->text, w-15, h ); -// gtk_widget_set_size_request( bt->vscroll, 15, h ); -#else - gtk_widget_set_usize( bt->widget, w, h ); - gtk_widget_set_usize( bt->text, w-15, h ); - gtk_widget_set_usize( bt->vscroll, 15, h ); - gtk_widget_queue_resize( GTK_WIDGET(bt->widget) ); - gtk_widget_queue_resize( GTK_WIDGET(bt->text) ); - gtk_widget_queue_resize( GTK_WIDGET(bt->vscroll) ); -#endif - bt->w = w; - bt->h = h; -} - - -EXPORT void wTextComputeSize( - wText_p bt, - int rows, - int cols, - wPos_t *width, - wPos_t *height ) -{ - *width = rows * 7; - *height = cols * 14; -} - - -EXPORT void wTextSetPosition( - wText_p bt, - int pos ) -{ -#ifdef USE_TEXTVIEW - /* TODO */ -#else - GTK_TEXT(bt->text)->first_line_start_index = pos; - gtk_text_set_word_wrap( GTK_TEXT(bt->text), TRUE ); - gtk_text_set_point( GTK_TEXT(bt->text), pos ); -#endif -} - -static void textChanged( - GtkWidget * widget, - wText_p bt ) -{ - if (bt == 0) - return; - bt->changed = TRUE; -} - - -EXPORT wText_p wTextCreate( - wWin_p parent, - wPos_t x, - wPos_t y, - const char * helpStr, - const char * labelStr, - long option, - wPos_t width, - wPos_t height ) -{ - wText_p bt; -#ifdef USE_TEXTVIEW - GtkTextBuffer * tb; -#else - GtkRequisition requisition; -#endif - bt = gtkAlloc( parent, B_MULTITEXT, x, y, labelStr, sizeof *bt, NULL ); - gtkComputePos( (wControl_p)bt ); - bt->width = width; - bt->height = height; - bt->option = option; - gtkComputePos( (wControl_p)bt ); - -#ifdef USE_TEXTVIEW - bt->widget = gtk_scrolled_window_new (NULL, NULL); - gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (bt->widget), - GTK_POLICY_AUTOMATIC, - GTK_POLICY_AUTOMATIC); - bt->text = gtk_text_view_new(); - if (bt->text == 0) abort(); - gtk_container_add (GTK_CONTAINER (bt->widget), bt->text); - tb = gtk_text_view_get_buffer( GTK_TEXT_VIEW(bt->text) ); - gtk_text_buffer_create_tag( tb, "bold", "weight", PANGO_WEIGHT_BOLD, NULL); -/* gtk_text_buffer_create_tag( tb, "italic", "style", PANGO_STYLE_ITALIC, NULL); */ -/* gtk_text_buffer_create_tag( tb, "bolditalic", "weight", PANGO_WEIGHT_BOLD, "style", PANGO_STYLE_ITALIC, NULL); */ - bt->vscroll = gtk_vscrollbar_new( GTK_TEXT_VIEW(bt->text)->vadjustment ); - if (bt->vscroll == 0) abort(); -#else - bt->widget = gtk_hbox_new( FALSE, 0 ); - bt->text = gtk_text_new( NULL, NULL ); - if (bt->text == 0) abort(); - gtk_box_pack_start( GTK_BOX(bt->widget), bt->text, FALSE, FALSE, 0 ); - bt->vscroll = gtk_vscrollbar_new( GTK_TEXT(bt->text)->vadj ); - if (bt->vscroll == 0) abort(); - gtk_box_pack_start( GTK_BOX(bt->widget), bt->vscroll, FALSE, FALSE, 0 ); -#endif - if (option&BT_CHARUNITS) { - width *= 7; - height *= 14; - } - gtk_widget_show( bt->text ); - gtk_widget_show( bt->vscroll ); - gtk_widget_show( bt->widget ); -#ifdef USE_TEXTVIEW -// gtk_widget_set_size_request( GTK_WIDGET(bt->text), width, height ); -// gtk_widget_set_size_request( GTK_WIDGET(bt->vscroll), -1, height ); - gtk_widget_set_size_request( GTK_WIDGET(bt->widget), width+15/*requisition.width*/, height ); -#else - gtk_widget_set_usize( GTK_WIDGET(bt->text), width, height ); - gtk_widget_set_usize( GTK_WIDGET(bt->vscroll), -1, height ); - gtk_widget_size_request( GTK_WIDGET(bt->vscroll), &requisition ); - gtk_widget_set_usize( GTK_WIDGET(bt->widget), width+15/*requisition.width*/, height ); -#endif - if (bt->option&BO_READONLY) { -#ifdef USE_TEXTVIEW - gtk_text_view_set_editable( GTK_TEXT_VIEW(bt->text), FALSE ); - gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(bt->text), FALSE); -#else - gtk_text_set_editable( GTK_TEXT(bt->text), FALSE ); -#endif - } - -#ifdef USE_TEXTVIEW - gtk_fixed_put( GTK_FIXED(parent->widget), bt->widget, bt->realX, bt->realY ); -#else - gtk_container_add( GTK_CONTAINER(parent->widget), bt->widget ); - gtk_widget_set_uposition( bt->widget, bt->realX, bt->realY ); -#endif - gtkControlGetSize( (wControl_p)bt ); - if (labelStr) - bt->labelW = gtkAddLabel( (wControl_p)bt, labelStr ); -#ifdef USE_TEXTVIEW - gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW(bt->text), GTK_WRAP_WORD ); -#else - gtk_text_set_word_wrap( GTK_TEXT(bt->text), TRUE ); -#endif - gtk_widget_realize( bt->text ); - gtkAddButton( (wControl_p)bt ); - gtkAddHelpString( bt->widget, helpStr ); -#ifdef USE_TEXTVIEW - g_signal_connect( G_OBJECT(tb), "changed", GTK_SIGNAL_FUNC(textChanged), bt ); -#else - gtk_signal_connect( GTK_OBJECT(bt->text), "changed", GTK_SIGNAL_FUNC(textChanged), bt ); -#endif - return bt; -} |