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Diffstat (limited to 'app/wlib/gtklib/message.c')
| -rw-r--r-- | app/wlib/gtklib/message.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/app/wlib/gtklib/message.c b/app/wlib/gtklib/message.c new file mode 100644 index 0000000..396b696 --- /dev/null +++ b/app/wlib/gtklib/message.c @@ -0,0 +1,168 @@ +/** \file message.c + * Message line + */ + +/* 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. + */ + +#include <stdlib.h> + +#define GTK_DISABLE_SINGLE_INCLUDES +#define GDK_DISABLE_DEPRECATED +#define GTK_DISABLE_DEPRECATED +#define GSEAL_ENABLE + +#include <gtk/gtk.h> +#include <gdk/gdk.h> + +#include "gtkint.h" + +/* + ***************************************************************************** + * + * Message Boxes + * + ***************************************************************************** + */ + +struct wMessage_t { + WOBJ_COMMON + GtkWidget * labelWidget; + const char * message; + wPos_t labelWidth; +}; + +/** + * Set the message text + * + * \param b IN widget + * \param arg IN new text + * \return + */ + +void wMessageSetValue( + wMessage_p b, + const char * arg) +{ + if (b->widget == 0) { + abort(); + } + + gtk_label_set_text(GTK_LABEL(b->labelWidget), wlibConvertInput(arg)); +} + +/** + * Set the width of the widget + * + * \param b IN widget + * \param width IN new width + * \return + */ + +void wMessageSetWidth( + wMessage_p b, + wPos_t width) +{ + b->labelWidth = width; + gtk_widget_set_size_request(b->widget, width, -1); +} + +/** + * Get height of message text + * \todo Constant height doesn't make sense, change to use the window's properties and retrieve the real font size + * + * \param flags IN text properties (large or small size) + * \return text height + */ + +wPos_t wMessageGetHeight( + long flags) +{ + return 14; +} + +/** + * Create a window for a simple text. + * + * \param IN parent Handle of parent window + * \param IN x position in x direction + * \param IN y position in y direction + * \param IN labelStr ??? + * \param IN width horizontal size of window + * \param IN message message to display ( null terminated ) + * \param IN flags display options + * \return handle for created window + */ + + wMessage_p wMessageCreateEx( + wWin_p parent, + wPos_t x, + wPos_t y, + const char * labelStr, + wPos_t width, + const char *message, + long flags) +{ + wMessage_p b; + GtkRequisition requisition; + GtkStyle *style; + PangoFontDescription *fontDesc; + int fontSize; + b = (wMessage_p)wlibAlloc(parent, B_MESSAGE, x, y, NULL, sizeof *b, NULL); + wlibComputePos((wControl_p)b); + b->message = message; + b->labelWidth = width; + b->labelWidget = gtk_label_new(message?wlibConvertInput(message):""); + + /* do we need to set a special font? */ + if (wMessageSetFont(flags)) { + /* get the current font descriptor */ + style = gtk_widget_get_style(GTK_WIDGET(b->labelWidget)); + fontDesc = style->font_desc; + /* get the current font size */ + fontSize = PANGO_PIXELS(pango_font_description_get_size(fontDesc)); + + /* calculate the new font size */ + if (flags & BM_LARGE) { + pango_font_description_set_size(fontDesc, fontSize * 1.4 * PANGO_SCALE); + } else { + pango_font_description_set_size(fontDesc, fontSize * 0.7 * PANGO_SCALE); + } + + /* set the new font size */ + gtk_widget_modify_font((GtkWidget *)b->labelWidget, fontDesc); + } + + b->widget = gtk_fixed_new(); + gtk_widget_size_request(GTK_WIDGET(b->labelWidget), &requisition); + gtk_container_add(GTK_CONTAINER(b->widget), b->labelWidget); + gtk_widget_set_size_request(b->widget, width?width:requisition.width, + requisition.height); + wlibControlGetSize((wControl_p)b); + gtk_fixed_put(GTK_FIXED(parent->widget), b->widget, b->realX, b->realY); + gtk_widget_show(b->widget); + gtk_widget_show(b->labelWidget); + wlibAddButton((wControl_p)b); + + /* Reset font size to normal */ + if (wMessageSetFont(flags)) { + pango_font_description_set_size(fontDesc, fontSize * PANGO_SCALE); + } + + return b; +} |