/* GDK - The GIMP Drawing Kit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include "gdk.h" #include "gdkprivate.h" #include "gdki18n.h" #include "gdkx.h" #ifdef USE_XIM #include #include /* The following routines duplicate functionality in Xlib to * translate from varargs to X's internal opaque XVaNestedList. * * If all vendors have stuck close to the reference implementation, * then we should hopefully be OK. */ typedef struct { gchar *name; gpointer value; } GdkImArg; #ifdef USE_XIM static void gdk_im_instantiate_cb (Display *display, XPointer client_data, XPointer call_data); static void gdk_im_destroy_cb (XIM im, XPointer client_data, XPointer call_data); static void gdk_ic_real_new (GdkIC *ic); static GdkICAttributesType gdk_ic_real_set_attr (GdkIC *ic, GdkICAttr *attr, GdkICAttributesType mask); static XIM xim_im; /* global IM */ static XIMStyles* xim_styles; /* im supports these styles */ static XIMStyle xim_best_allowed_style; static GList* xim_ic_list; #endif /* USE_XIM */ /* *-------------------------------------------------------------- * gdk_im_begin * * Begin using input method with XIM Protocol(X11R6 standard) * * Arguments: * "ic" is the "Input Context" which is created by gtk_ic_new. * The input area is specified with "window". * * Results: * The gdk's event handling routine is switched to XIM based routine. * XIM based routine uses XFilterEvent to get rid of events used by IM, * and uses XmbLookupString instead of XLookupString. * * Side effects: * *-------------------------------------------------------------- */ void gdk_im_begin (GdkIC *ic, GdkWindow* window) { GdkICPrivate *private; GdkICAttr attr; g_return_if_fail (ic != NULL); private = (GdkICPrivate *) ic; attr.focus_window = window; gdk_ic_set_attr (ic, &attr, GDK_IC_FOCUS_WINDOW); if (private != gdk_xim_ic) { gdk_im_end(); if (private->xic) { XSetICFocus (private->xic); GDK_NOTE (XIM, g_print ("im_begin icfocus : %p(%ld)\n", private->xic, GDK_WINDOW_XWINDOW(private->attr->focus_window))); } } gdk_xim_ic = private; gdk_xim_window = window; } /* *-------------------------------------------------------------- * gdk_im_end * * End using input method with XIM Protocol(X11R6 standard) * * Arguments: * * Results: * The gdk's event handling routine is switched to normal routine. * User should call this function before ic and window will be destroyed. * * Side effects: * *-------------------------------------------------------------- */ void gdk_im_end (void) { if (gdk_xim_ic && gdk_xim_ic->xic) { XUnsetICFocus (gdk_xim_ic->xic); GDK_NOTE (XIM, g_print ("im_end unfocus : %p\n", gdk_xim_ic->xic)); } gdk_xim_ic = NULL; gdk_xim_window = NULL; } static GdkIMStyle gdk_im_choose_better_style (GdkIMStyle style1, GdkIMStyle style2) { GdkIMStyle s1, s2, u; if (style1 == 0) return style2; if (style2 == 0) return style1; if ((style1 & (GDK_IM_PREEDIT_MASK | GDK_IM_STATUS_MASK)) == (style2 & (GDK_IM_PREEDIT_MASK | GDK_IM_STATUS_MASK))) return style1; s1 = style1 & GDK_IM_PREEDIT_MASK; s2 = style2 & GDK_IM_PREEDIT_MASK; u = s1 | s2; if (s1 != s2) { if (u & GDK_IM_PREEDIT_CALLBACKS) return (s1 == GDK_IM_PREEDIT_CALLBACKS)? style1:style2; else if (u & GDK_IM_PREEDIT_POSITION) return (s1 == GDK_IM_PREEDIT_POSITION)? style1:style2; else if (u & GDK_IM_PREEDIT_AREA) return (s1 == GDK_IM_PREEDIT_AREA)? style1:style2; else if (u & GDK_IM_PREEDIT_NOTHING) return (s1 == GDK_IM_PREEDIT_NOTHING)? style1:style2; } else { s1 = style1 & GDK_IM_STATUS_MASK; s2 = style2 & GDK_IM_STATUS_MASK; u = s1 | s2; if ( u & GDK_IM_STATUS_CALLBACKS) return (s1 == GDK_IM_STATUS_CALLBACKS)? style1:style2; else if ( u & GDK_IM_STATUS_AREA) return (s1 == GDK_IM_STATUS_AREA)? style1:style2; else if ( u & GDK_IM_STATUS_NOTHING) return (s1 == GDK_IM_STATUS_NOTHING)? style1:style2; else if ( u & GDK_IM_STATUS_NONE) return (s1 == GDK_IM_STATUS_NONE)? style1:style2; } return 0; /* Get rid of stupid warning */ } GdkIMStyle gdk_im_decide_style (GdkIMStyle supported_style) { gint i; GdkIMStyle style, tmp; g_return_val_if_fail (xim_styles != NULL, 0); style = 0; for (i=0; icount_styles; i++) { tmp = xim_styles->supported_styles[i]; if (tmp == (tmp & supported_style & xim_best_allowed_style)) style = gdk_im_choose_better_style (style, tmp); } return style; } GdkIMStyle gdk_im_set_best_style (GdkIMStyle style) { if (style & GDK_IM_PREEDIT_MASK) { xim_best_allowed_style &= ~GDK_IM_PREEDIT_MASK; xim_best_allowed_style |= GDK_IM_PREEDIT_NONE; if (!(style & GDK_IM_PREEDIT_NONE)) { xim_best_allowed_style |= GDK_IM_PREEDIT_NOTHING; if (!(style & GDK_IM_PREEDIT_NOTHING)) { xim_best_allowed_style |= GDK_IM_PREEDIT_AREA; if (!(style & GDK_IM_PREEDIT_AREA)) { xim_best_allowed_style |= GDK_IM_PREEDIT_POSITION; if (!(style & GDK_IM_PREEDIT_POSITION)) xim_best_allowed_style |= GDK_IM_PREEDIT_CALLBACKS; } } } } if (style & GDK_IM_STATUS_MASK) { xim_best_allowed_style &= ~GDK_IM_STATUS_MASK; xim_best_allowed_style |= GDK_IM_STATUS_NONE; if (!(style & GDK_IM_STATUS_NONE)) { xim_best_allowed_style |= GDK_IM_STATUS_NOTHING; if (!(style & GDK_IM_STATUS_NOTHING)) { xim_best_allowed_style |= GDK_IM_STATUS_AREA; if (!(style & GDK_IM_STATUS_AREA)) xim_best_allowed_style |= GDK_IM_STATUS_CALLBACKS; } } } return xim_best_allowed_style; } static void gdk_im_destroy_cb (XIM im, XPointer client_data, XPointer call_data) { GList *node; GdkICPrivate *private; GDK_NOTE (XIM, g_message ("Ouch, Input Method is destroyed!!\n")); xim_im = NULL; if (xim_styles) { XFree (xim_styles); xim_styles = NULL; } for (node = xim_ic_list; node != NULL; node = g_list_next(node)) { private = (GdkICPrivate *) (node->data); private->xic = NULL; } XRegisterIMInstantiateCallback (gdk_display, NULL, NULL, NULL, gdk_im_instantiate_cb, NULL); } static void gdk_im_instantiate_cb (Display *display, XPointer client_data, XPointer call_data) { XIMCallback destroy_cb; GList *node; GDK_NOTE (XIM, g_message ("New IM is instantiated.")); if (display != gdk_display) return; XUnregisterIMInstantiateCallback (gdk_display, NULL, NULL, NULL, gdk_im_instantiate_cb, NULL); xim_im = XOpenIM (GDK_DISPLAY(), NULL, NULL, NULL); if (xim_im == NULL) GDK_NOTE (XIM, g_warning ("Unable to open open IM.")); destroy_cb.callback = gdk_im_destroy_cb; destroy_cb.client_data = NULL; XSetIMValues (xim_im, XNDestroyCallback, &destroy_cb, NULL); XGetIMValues (xim_im, XNQueryInputStyle, &xim_styles, NULL, NULL); for (node = xim_ic_list; node != NULL; node = g_list_next(node)) { GdkICPrivate *private = (GdkICPrivate *) (node->data); if (private->xic == NULL) gdk_ic_real_new ((GdkIC *)private); } } gint gdk_im_open (void) { gdk_xim_ic = NULL; gdk_xim_window = (GdkWindow*)NULL; xim_im = NULL; xim_styles = NULL; /* initialize XIM Protocol variables */ if (!(xim_best_allowed_style & GDK_IM_PREEDIT_MASK)) gdk_im_set_best_style (GDK_IM_PREEDIT_CALLBACKS); if (!(xim_best_allowed_style & GDK_IM_STATUS_MASK)) gdk_im_set_best_style (GDK_IM_STATUS_CALLBACKS); XRegisterIMInstantiateCallback (gdk_display, NULL, NULL, NULL, gdk_im_instantiate_cb, NULL); return (xim_im != NULL); } void gdk_im_close (void) { if (xim_im) { XCloseIM (xim_im); xim_im = NULL; } if (xim_styles) { XFree (xim_styles); xim_styles = NULL; } } gint gdk_im_ready (void) { return (xim_im != NULL); } static void gdk_ic_real_new (GdkIC *ic) { XPoint spot_location; XRectangle preedit_area; XRectangle status_area; XVaNestedList *preedit_attr = NULL; XVaNestedList *status_attr = NULL; GdkICAttr *attr; GdkICPrivate *private; GdkICAttributesType mask = GDK_IC_ALL_REQ; private = (GdkICPrivate *) ic; attr = private->attr; switch (attr->style & GDK_IM_PREEDIT_MASK) { case GDK_IM_PREEDIT_AREA: mask |= GDK_IC_PREEDIT_AREA_REQ; preedit_area.x = attr->preedit_area.x; preedit_area.y = attr->preedit_area.x; preedit_area.width = attr->preedit_area.width; preedit_area.height = attr->preedit_area.height; preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_area, XNFontSet, GDK_FONT_XFONT(attr->preedit_fontset), NULL); break; case GDK_IM_PREEDIT_POSITION: mask |= GDK_IC_PREEDIT_POSITION_REQ; preedit_area.x = attr->preedit_area.x; preedit_area.y = attr->preedit_area.x; preedit_area.width = attr->preedit_area.width; preedit_area.height = attr->preedit_area.height; spot_location.x = attr->spot_location.x; spot_location.y = attr->spot_location.y; preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_area, XNFontSet, GDK_FONT_XFONT(attr->preedit_fontset), XNSpotLocation, &spot_location, NULL); break; } switch (attr->style & GDK_IM_STATUS_MASK) { case GDK_IM_STATUS_AREA: mask |= GDK_IC_STATUS_AREA_REQ; status_area.x = attr->status_area.x; status_area.y = attr->status_area.x; status_area.width = attr->status_area.width; status_area.height = attr->status_area.height; status_attr = XVaCreateNestedList (0, XNArea, &status_area, XNFontSet, GDK_FONT_XFONT(attr->status_fontset), NULL); break; } if (preedit_attr != NULL && status_attr != NULL) private->xic = XCreateIC (xim_im, XNInputStyle, attr->style, XNClientWindow, GDK_WINDOW_XWINDOW(attr->client_window), XNPreeditAttributes, preedit_attr, XNStatusAttributes, status_attr, NULL); else if (preedit_attr != NULL) private->xic = XCreateIC (xim_im, XNInputStyle, attr->style, XNClientWindow, GDK_WINDOW_XWINDOW(attr->client_window), XNPreeditAttributes, preedit_attr, NULL); else if (status_attr != NULL) private->xic = XCreateIC (xim_im, XNInputStyle, attr->style, XNClientWindow, GDK_WINDOW_XWINDOW(attr->client_window), XNStatusAttributes, status_attr, NULL); else private->xic = XCreateIC (xim_im, XNInputStyle, attr->style, XNClientWindow, GDK_WINDOW_XWINDOW(attr->client_window), NULL); if (preedit_attr) XFree (preedit_attr); if (status_attr) XFree (status_attr); if (private->xic == NULL) g_warning ("can not create input context with specified input style."); else gdk_ic_real_set_attr (ic, private->attr, private->mask & ~mask); } GdkIC * gdk_ic_new (GdkICAttr *attr, GdkICAttributesType mask) { GdkICPrivate *private; gboolean error = 0; GdkICAttributesType invalid_mask; GdkICAttr *pattr; g_return_val_if_fail (attr != NULL, NULL); g_return_val_if_fail ((mask & GDK_IC_ALL_REQ) == GDK_IC_ALL_REQ, NULL); switch (attr->style & GDK_IM_PREEDIT_MASK) { case 0: g_warning ("preedit style is not specified.\n"); error = 1; break; case GDK_IM_PREEDIT_AREA: if ((mask & GDK_IC_PREEDIT_AREA_REQ) != GDK_IC_PREEDIT_AREA_REQ) error = 4; break; case GDK_IM_PREEDIT_POSITION: if ((mask & GDK_IC_PREEDIT_POSITION_REQ) != GDK_IC_PREEDIT_POSITION_REQ) error = 4; break; } switch (attr->style & GDK_IM_STATUS_MASK) { case 0: g_warning ("status style is not specified.\n"); error = 2; break; case GDK_IM_STATUS_AREA: if ((mask & GDK_IC_STATUS_AREA_REQ) != GDK_IC_STATUS_AREA_REQ) error = 8; break; } if (error) { if (error & 12) g_warning ("IC attribute is not enough to required input style.\n"); return NULL; } if (attr->client_window == NULL || ((GdkWindowPrivate *)attr->client_window)->destroyed) { g_warning ("Client_window is null or already destroyed.\n"); return NULL; } private = g_new0 (GdkICPrivate, 1); private->attr = pattr = gdk_ic_attr_new (); gdk_window_ref (attr->client_window); pattr->client_window = attr->client_window; pattr->style = attr->style; private->mask = GDK_IC_STYLE | GDK_IC_CLIENT_WINDOW; /* XIC is still not created, so following call only copies attributes */ invalid_mask = gdk_ic_set_attr ((GdkIC *)private, attr, mask & ~GDK_IC_ALL_REQ); switch (attr->style & GDK_IM_PREEDIT_MASK) { case GDK_IM_PREEDIT_AREA: if (invalid_mask & GDK_IC_PREEDIT_AREA_REQ) error = TRUE; break; case GDK_IM_PREEDIT_POSITION: if (invalid_mask & GDK_IC_PREEDIT_POSITION_REQ) error = TRUE; break; } switch (attr->style & GDK_IM_STATUS_MASK) { case GDK_IM_STATUS_AREA: if (invalid_mask & GDK_IC_STATUS_AREA_REQ) error = TRUE; break; } if (error == TRUE) { g_warning ("Essential attributes for required style are invalid.\n"); gdk_ic_destroy ((GdkIC *)private); return NULL; } if (gdk_im_ready ()) gdk_ic_real_new ((GdkIC *)private); xim_ic_list = g_list_append (xim_ic_list, private); return (GdkIC *)private; } void gdk_ic_destroy (GdkIC *ic) { GdkICPrivate *private; g_return_if_fail (ic != NULL); private = (GdkICPrivate *) ic; if (gdk_xim_ic == private) gdk_im_end (); GDK_NOTE (XIM, g_print("ic_destroy %p\n", private->xic)); if (private->xic != NULL) XDestroyIC (private->xic); if (private->mask & GDK_IC_CLIENT_WINDOW) gdk_window_unref (private->attr->client_window); if (private->mask & GDK_IC_FOCUS_WINDOW) gdk_window_unref (private->attr->focus_window); if (private->mask & GDK_IC_PREEDIT_FONTSET) gdk_font_unref (private->attr->preedit_fontset); if (private->mask & GDK_IC_PREEDIT_PIXMAP) gdk_pixmap_unref (private->attr->preedit_pixmap); if (private->mask & GDK_IC_PREEDIT_COLORMAP) gdk_colormap_unref (private->attr->preedit_colormap); if (private->mask & GDK_IC_STATUS_FONTSET) gdk_font_unref (private->attr->status_fontset); if (private->mask & GDK_IC_STATUS_PIXMAP) gdk_pixmap_unref (private->attr->status_pixmap); if (private->mask & GDK_IC_STATUS_COLORMAP) gdk_colormap_unref (private->attr->status_colormap); xim_ic_list = g_list_remove (xim_ic_list, private); gdk_ic_attr_destroy (private->attr); g_free (private); } GdkIMStyle gdk_ic_get_style (GdkIC *ic) { GdkICPrivate *private; g_return_val_if_fail (ic != NULL, 0); private = (GdkICPrivate *) ic; return private->attr->style; } /* * for keeping binary compatibility if member of ic attributes is added. */ GdkICAttr * gdk_ic_attr_new (void) { return g_new0 (GdkICAttr, 1); } void gdk_ic_attr_destroy (GdkICAttr *attr) { g_return_if_fail (attr != NULL); g_free (attr); } static GdkICAttributesType gdk_ic_real_set_attr (GdkIC *ic, GdkICAttr *attr, GdkICAttributesType mask) { GdkICPrivate *private = (GdkICPrivate *)ic; XIC xic = private->xic; GdkICAttributesType error = 0; GdkImArg arg[2] = {{NULL, NULL}, {NULL, NULL}}; if (mask & GDK_IC_FOCUS_WINDOW) { if (XSetICValues (xic, XNFocusWindow, GDK_WINDOW_XWINDOW(attr->focus_window), NULL) != NULL) error |= GDK_IC_FOCUS_WINDOW; } if (mask & GDK_IC_SPOT_LOCATION) { XPoint point; point.x = attr->spot_location.x; point.y = attr->spot_location.y; arg->name = XNSpotLocation; arg->value = (gpointer) &point; if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_SPOT_LOCATION; } if (mask & GDK_IC_LINE_SPACING) { arg->name = XNLineSpace; arg->value = (gpointer) attr->line_spacing; if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_LINE_SPACING; } if (mask & GDK_IC_CURSOR) { GdkCursorPrivate *cursor = (GdkCursorPrivate *) attr->cursor; if (XSetICValues (xic, XNCursor, cursor->xcursor, NULL)) error |= GDK_IC_CURSOR; } if (mask & GDK_IC_PREEDIT_FONTSET) { arg->name = XNFontSet; arg->value = (gpointer) GDK_FONT_XFONT(attr->preedit_fontset); if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_PREEDIT_FONTSET; } if (mask & GDK_IC_PREEDIT_AREA) { XRectangle rect; rect.x = attr->preedit_area.x; rect.y = attr->preedit_area.y; rect.width = attr->preedit_area.width; rect.height = attr->preedit_area.height; arg->name = XNArea; arg->value = (gpointer) ▭ if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_PREEDIT_AREA; } if (mask & GDK_IC_PREEDIT_AREA_NEEDED) { XRectangle rect; rect.x = attr->preedit_area_needed.x; rect.y = attr->preedit_area_needed.y; rect.width = attr->preedit_area_needed.width; rect.height = attr->preedit_area_needed.height; arg->name = XNArea; arg->value = (gpointer) ▭ if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_PREEDIT_AREA_NEEDED; else private->mask &= ~GDK_IC_PREEDIT_AREA_NEEDED; } if (mask & GDK_IC_PREEDIT_FOREGROUND) { arg->name = XNForeground; arg->value = (gpointer) attr->preedit_foreground.pixel; if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_PREEDIT_FOREGROUND; } if (mask & GDK_IC_PREEDIT_BACKGROUND) { arg->name = XNBackground; arg->value = (gpointer) attr->preedit_background.pixel; if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_PREEDIT_BACKGROUND; } if (mask & GDK_IC_PREEDIT_PIXMAP) { arg->name = XNBackgroundPixmap; arg->value = (gpointer) GDK_WINDOW_XWINDOW(attr->preedit_pixmap); if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_PREEDIT_PIXMAP; } if (mask & GDK_IC_PREEDIT_COLORMAP) { arg->name = XNColormap; arg->value = (gpointer) GDK_COLORMAP_XCOLORMAP(attr->preedit_colormap); if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_PREEDIT_COLORMAP; } if (mask & GDK_IC_STATUS_FONTSET) { arg->name = XNFontSet; arg->value = (gpointer) GDK_FONT_XFONT(attr->status_fontset); if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_STATUS_FONTSET; } if (mask & GDK_IC_STATUS_AREA) { XRectangle rect; rect.x = attr->status_area.x; rect.y = attr->status_area.y; rect.width = attr->status_area.width; rect.height = attr->status_area.height; arg->name = XNArea; arg->value = (gpointer) ▭ if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_STATUS_AREA; } if (mask & GDK_IC_STATUS_AREA_NEEDED) { XRectangle rect; rect.x = attr->status_area_needed.x; rect.y = attr->status_area_needed.y; rect.width = attr->status_area_needed.width; rect.height = attr->status_area_needed.height; arg->name = XNArea; arg->value = (gpointer) ▭ if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_STATUS_AREA_NEEDED; else private->mask &= ~GDK_IC_STATUS_AREA_NEEDED; } if (mask & GDK_IC_STATUS_FOREGROUND) { arg->name = XNForeground; arg->value = (gpointer) attr->status_foreground.pixel; if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_STATUS_FOREGROUND; } if (mask & GDK_IC_STATUS_BACKGROUND) { arg->name = XNBackground; arg->value = (gpointer) attr->status_background.pixel; if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_STATUS_BACKGROUND; } if (mask & GDK_IC_STATUS_PIXMAP) { arg->name = XNBackgroundPixmap; arg->value = (gpointer) GDK_WINDOW_XWINDOW(attr->status_pixmap); if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_STATUS_PIXMAP; } if (mask & GDK_IC_STATUS_COLORMAP) { arg->name = XNColormap; arg->value = (gpointer) GDK_COLORMAP_XCOLORMAP(attr->status_colormap); if (XSetICValues (xic, XNPreeditAttributes, arg, NULL)) error |= GDK_IC_STATUS_COLORMAP; } return error; } GdkICAttributesType gdk_ic_set_attr (GdkIC *ic, GdkICAttr *attr, GdkICAttributesType mask) { GdkICPrivate *private; GdkICAttr *pattr; GdkICAttributesType error = 0; GdkICAttributesType newattr = 0; g_return_val_if_fail (ic != NULL, 0); g_return_val_if_fail (attr != NULL, 0); private = (GdkICPrivate *) ic; pattr = private->attr; /* Check and copy new attributes */ if (mask & GDK_IC_STYLE) { g_warning ("input style can be specified only when creating new ic.\n"); error |= GDK_IC_STYLE; } if (mask & GDK_IC_FILTER_EVENTS) { g_warning ("filter events is read only attributes.\n"); error |= GDK_IC_FILTER_EVENTS; } if (mask & GDK_IC_CLIENT_WINDOW) { g_warning ("client window can be specified only when creating new ic.\n"); error |= GDK_IC_CLIENT_WINDOW; } if (mask & GDK_IC_FOCUS_WINDOW) { if (attr->focus_window == NULL) { g_warning ("specified focus_window is invalid.\n"); error |= GDK_IC_FOCUS_WINDOW; } else if (pattr->focus_window != attr->focus_window) { if (pattr->focus_window != NULL) gdk_window_unref (pattr->focus_window); if (attr->focus_window != NULL) gdk_window_ref (attr->focus_window); pattr->focus_window = attr->focus_window; newattr |= GDK_IC_FOCUS_WINDOW; } } if (mask & GDK_IC_SPOT_LOCATION) { pattr->spot_location = attr->spot_location; newattr |= GDK_IC_SPOT_LOCATION; } if (mask & GDK_IC_LINE_SPACING) { pattr->line_spacing = attr->line_spacing; newattr |= GDK_IC_LINE_SPACING; } if (mask & GDK_IC_CURSOR) { pattr->cursor = attr->cursor; newattr |= GDK_IC_CURSOR; } if (mask & GDK_IC_PREEDIT_FONTSET) { if (attr->preedit_fontset == NULL || attr->preedit_fontset->type != GDK_FONT_FONTSET) { g_warning ("gdk_font is NULL or not a fontset.\n"); error |= GDK_IC_PREEDIT_FONTSET; } else if (pattr->preedit_fontset != attr->preedit_fontset) { if (pattr->preedit_fontset != NULL) gdk_font_unref (pattr->preedit_fontset); if (attr->preedit_fontset != NULL) gdk_font_ref (attr->preedit_fontset); pattr->preedit_fontset = attr->preedit_fontset; newattr |= GDK_IC_PREEDIT_FONTSET; } } if (mask & GDK_IC_PREEDIT_AREA) { pattr->preedit_area = attr->preedit_area; newattr |= GDK_IC_PREEDIT_AREA; } if (mask & GDK_IC_PREEDIT_AREA_NEEDED) { if (attr->preedit_area_needed.width == 0 || attr->preedit_area_needed.height == 0) { g_warning ("width and height of preedit_area_needed must be non 0.\n"); error |= GDK_IC_PREEDIT_AREA_NEEDED; } else { pattr->preedit_area_needed = attr->preedit_area_needed; newattr |= GDK_IC_PREEDIT_AREA_NEEDED; } } if (mask & GDK_IC_PREEDIT_FOREGROUND) { pattr->preedit_foreground = attr->preedit_foreground; newattr |= GDK_IC_PREEDIT_FOREGROUND; } if (mask & GDK_IC_PREEDIT_BACKGROUND) { pattr->preedit_background = attr->preedit_background; newattr |= GDK_IC_PREEDIT_BACKGROUND; } if (mask & GDK_IC_PREEDIT_PIXMAP) { if (attr->preedit_pixmap != NULL && ((GdkPixmapPrivate *)attr->preedit_pixmap)->destroyed) { g_warning ("Preedit pixmap is already destroyed.\n"); error |= GDK_IC_PREEDIT_PIXMAP; } else { if (pattr->preedit_pixmap != attr->preedit_pixmap) { if (pattr->preedit_pixmap != NULL) gdk_pixmap_unref (pattr->preedit_pixmap); if (attr->preedit_pixmap) gdk_pixmap_ref (attr->preedit_pixmap); pattr->preedit_pixmap = attr->preedit_pixmap; newattr |= GDK_IC_PREEDIT_PIXMAP; } } } if (mask & GDK_IC_PREEDIT_COLORMAP) { if (pattr->preedit_colormap != attr->preedit_colormap) { if (pattr->preedit_colormap != NULL) gdk_colormap_unref (pattr->preedit_colormap); if (attr->preedit_colormap != NULL) gdk_colormap_ref (attr->preedit_colormap); pattr->preedit_colormap = attr->preedit_colormap; newattr |= GDK_IC_PREEDIT_COLORMAP; } } if (mask & GDK_IC_STATUS_FONTSET) { if (attr->status_fontset == NULL || attr->status_fontset->type != GDK_FONT_FONTSET) { g_warning ("gdk_font is NULL or not a fontset.\n"); error |= GDK_IC_STATUS_FONTSET; } else if (pattr->status_fontset != attr->status_fontset) { if (pattr->status_fontset != NULL) gdk_font_unref (pattr->status_fontset); if (attr->status_fontset != NULL) gdk_font_ref (attr->status_fontset); pattr->status_fontset = attr->status_fontset; newattr |= GDK_IC_STATUS_FONTSET; } } if (mask & GDK_IC_STATUS_AREA) { pattr->status_area = attr->status_area; newattr |= GDK_IC_STATUS_AREA; } if (mask & GDK_IC_STATUS_AREA_NEEDED) { if (attr->status_area_needed.width == 0 || attr->status_area_needed.height == 0) { g_warning ("width and height of status_area_needed must be non 0.\n"); error |= GDK_IC_STATUS_AREA_NEEDED; } else { pattr->status_area_needed = attr->status_area_needed; newattr |= GDK_IC_STATUS_AREA_NEEDED; } } if (mask & GDK_IC_STATUS_FOREGROUND) { pattr->status_foreground = attr->status_foreground; newattr |= GDK_IC_STATUS_FOREGROUND; } if (mask & GDK_IC_STATUS_BACKGROUND) { pattr->status_background = attr->status_background; newattr |= GDK_IC_STATUS_BACKGROUND; } if (mask & GDK_IC_STATUS_PIXMAP) { if (attr->status_pixmap != NULL && ((GdkPixmapPrivate *)attr->status_pixmap)->destroyed) { g_warning ("Preedit pixmap is already destroyed.\n"); error |= GDK_IC_STATUS_PIXMAP; } else { if (pattr->status_pixmap != attr->status_pixmap) { if (pattr->status_pixmap != NULL) gdk_pixmap_unref (pattr->status_pixmap); if (attr->status_pixmap) gdk_pixmap_ref (attr->status_pixmap); pattr->status_pixmap = attr->status_pixmap; newattr |= GDK_IC_STATUS_PIXMAP; } } } if (mask & GDK_IC_STATUS_COLORMAP) { if (pattr->status_colormap != attr->status_colormap) { if (pattr->status_colormap != NULL) gdk_colormap_unref (pattr->status_colormap); if (attr->status_colormap != NULL) gdk_colormap_ref (attr->status_colormap); pattr->status_colormap = attr->status_colormap; newattr |= GDK_IC_STATUS_COLORMAP; } } if (private->xic == NULL) return error; error |= gdk_ic_real_set_attr (ic, pattr, newattr); return error; } GdkICAttributesType gdk_ic_get_attr (GdkIC *ic, GdkICAttr *attr, GdkICAttributesType mask) { GdkICPrivate *private; GdkICAttr *pattr; GdkICAttributesType known, unknown = 0; g_return_val_if_fail (ic != NULL, -1); g_return_val_if_fail (attr != NULL, -1); private = (GdkICPrivate *) ic; pattr = private->attr; known = mask & private->mask; if (known & GDK_IC_STYLE) attr->style = pattr->style; if (known & GDK_IC_CLIENT_WINDOW) attr->client_window = pattr->client_window; if (known & GDK_IC_FOCUS_WINDOW) attr->focus_window = pattr->focus_window; if (known & GDK_IC_FILTER_EVENTS) attr->filter_events = pattr->filter_events; if (known & GDK_IC_LINE_SPACING) attr->line_spacing = pattr->line_spacing; if (known & GDK_IC_CURSOR) attr->cursor = pattr->cursor; if (known & GDK_IC_PREEDIT_FONTSET) attr->preedit_fontset = pattr->preedit_fontset; if (known & GDK_IC_PREEDIT_AREA) attr->preedit_area = pattr->preedit_area; if (known & GDK_IC_PREEDIT_AREA_NEEDED) attr->preedit_area_needed = pattr->preedit_area_needed; if (known & GDK_IC_PREEDIT_FOREGROUND) attr->preedit_foreground = pattr->preedit_foreground; if (known & GDK_IC_PREEDIT_BACKGROUND) attr->preedit_background = pattr->preedit_background; if (known & GDK_IC_PREEDIT_PIXMAP) attr->preedit_pixmap = pattr->preedit_pixmap; if (known & GDK_IC_PREEDIT_COLORMAP) attr->preedit_colormap = pattr->preedit_colormap; if (known & GDK_IC_STATUS_FONTSET) attr->status_fontset = pattr->status_fontset; if (known & GDK_IC_STATUS_AREA) attr->status_area = pattr->status_area; if (known & GDK_IC_STATUS_AREA_NEEDED) attr->status_area_needed = pattr->status_area_needed; if (known & GDK_IC_STATUS_FOREGROUND) attr->status_foreground = pattr->status_foreground; if (known & GDK_IC_STATUS_BACKGROUND) attr->status_background = pattr->status_background; if (known & GDK_IC_STATUS_PIXMAP) attr->status_pixmap = pattr->status_pixmap; if (known & GDK_IC_STATUS_COLORMAP) attr->status_colormap = pattr->status_colormap; if (private->xic) { unknown = mask & ~(private->mask); if (unknown & GDK_IC_FOCUS_WINDOW) attr->focus_window = pattr->client_window; if (unknown & GDK_IC_FILTER_EVENTS) { gdk_ic_get_events (ic); attr->filter_events = pattr->filter_events; } if (mask & GDK_IC_SPOT_LOCATION) { XPoint point; XVaNestedList *list; list = XVaCreateNestedList (0, XNSpotLocation, &point, NULL); if (XGetICValues (private->xic, XNPreeditAttributes, list, NULL)) unknown &= ~GDK_IC_SPOT_LOCATION; else { pattr->spot_location.x = point.x; pattr->spot_location.y = point.y; private->mask |= GDK_IC_SPOT_LOCATION; attr->spot_location = pattr->spot_location; } XFree (list); } if (unknown & GDK_IC_PREEDIT_AREA_NEEDED) { XRectangle rect; XVaNestedList *list; list = XVaCreateNestedList (0, XNAreaNeeded, &rect, NULL); if (XGetICValues (private->xic, XNPreeditAttributes, list, NULL)) unknown &= ~GDK_IC_PREEDIT_AREA_NEEDED; else { pattr->preedit_area_needed.x = rect.x; pattr->preedit_area_needed.y = rect.y; pattr->preedit_area_needed.width = rect.width; pattr->preedit_area_needed.height = rect.height; private->mask |= GDK_IC_PREEDIT_AREA_NEEDED; attr->preedit_area = pattr->preedit_area; } XFree (list); } if (unknown & GDK_IC_STATUS_AREA_NEEDED) { XRectangle rect; XVaNestedList *list; list = XVaCreateNestedList (0, XNAreaNeeded, &rect, NULL); if (XGetICValues (private->xic, XNStatusAttributes, list, NULL)) unknown &= ~GDK_IC_STATUS_AREA_NEEDED; else { pattr->status_area_needed.x = rect.x; pattr->status_area_needed.y = rect.y; pattr->status_area_needed.width = rect.width; pattr->status_area_needed.height = rect.height; private->mask |= GDK_IC_STATUS_AREA_NEEDED; attr->status_area = pattr->status_area; } XFree (list); } } return mask & ~known & ~unknown; } GdkEventMask gdk_ic_get_events (GdkIC *ic) { GdkEventMask mask; glong xmask; glong bit; GdkICPrivate *private; gint i; /* From gdkwindow.c */ g_return_val_if_fail (ic != NULL, 0); private = (GdkICPrivate *) ic; if (private->mask & GDK_IC_FILTER_EVENTS) return private->attr->filter_events; if (XGetICValues (private->xic, XNFilterEvents, &xmask, NULL) != NULL) { GDK_NOTE (XIM, g_warning ("Call to XGetICValues: %s failed", XNFilterEvents)); return 0; } mask = 0; for (i=0, bit=2; i < gdk_nevent_masks; i++, bit <<= 1) if (xmask & gdk_event_mask_table [i]) { mask |= bit; xmask &= ~ gdk_event_mask_table [i]; } if (xmask) g_warning ("ic requires events not supported by the application (%#04lx)", xmask); private->attr->filter_events = mask; private->mask |= GDK_IC_FILTER_EVENTS; return mask; } void gdk_ic_cleanup (void) { gint destroyed; destroyed = 0; while (xim_ic_list != NULL) { gdk_ic_destroy ((GdkIC *) xim_ic_list->data); destroyed ++; } #ifdef G_ENABLE_DEBUG if ((gdk_debug_flags & GDK_DEBUG_XIM) && destroyed > 0) { g_warning ("Cleaned up %i IC(s)\n", destroyed); } #endif /* G_ENABLE_DEBUG */ } #else /* !USE_XIM */ void gdk_im_begin (GdkIC *ic, GdkWindow* window) { } void gdk_im_end (void) { } GdkIMStyle gdk_im_decide_style (GdkIMStyle supported_style) { return GDK_IM_PREEDIT_NONE | GDK_IM_STATUS_NONE; } GdkIMStyle gdk_im_set_best_style (GdkIMStyle style) { return GDK_IM_PREEDIT_NONE | GDK_IM_STATUS_NONE; } gint gdk_im_ready (void) { return FALSE; } GdkIC * gdk_ic_new (GdkICAttr *attr, GdkICAttributesType mask) { return NULL; } void gdk_ic_destroy (GdkIC *ic) { } GdkIMStyle gdk_ic_get_style (GdkIC *ic) { return GDK_IM_PREEDIT_NONE | GDK_IM_STATUS_NONE; } void gdk_ic_set_values (GdkIC *ic, ...) { } void gdk_ic_get_values (GdkIC *ic, ...) { } GdkICAttributesType gdk_ic_set_attr (GdkIC *ic, GdkICAttr *attr, GdkICAttributesType mask) { return 0; } GdkICAttributesType gdk_ic_get_attr (GdkIC *ic, GdkICAttr *attr, GdkICAttributesType mask) { return 0; } GdkEventMask gdk_ic_get_events (GdkIC *ic) { return 0; } #endif /* USE_XIM */ /* * gdk_wcstombs * * Returns a multi-byte string converted from the specified array * of wide characters. The string is newly allocated. The array of * wide characters must be null-terminated. If the conversion is * failed, it returns NULL. */ gchar * gdk_wcstombs (const GdkWChar *src) { gchar *mbstr; XTextProperty tpr; if (sizeof(wchar_t) != sizeof(GdkWChar)) { gint i; wchar_t *src_alt; for (i=0; src[i]; i++); src_alt = g_new (wchar_t, i+1); for (; i>=0; i--) src_alt[i] = src[i]; if (XwcTextListToTextProperty (gdk_display, &src_alt, 1, XTextStyle, &tpr) != Success) { g_free (src_alt); return NULL; } g_free (src_alt); } else { if (XwcTextListToTextProperty (gdk_display, (wchar_t**)&src, 1, XTextStyle, &tpr) != Success) { return NULL; } } /* * We must copy the string into an area allocated by glib, because * the string 'tpr.value' must be freed by XFree(). */ mbstr = g_strdup(tpr.value); XFree (tpr.value); return mbstr; } /* * gdk_mbstowcs * * Converts the specified string into wide characters, and, returns the * number of wide characters written. The string 'src' must be * null-terminated. If the conversion is failed, it returns -1. */ gint gdk_mbstowcs (GdkWChar *dest, const gchar *src, gint dest_max) { XTextProperty tpr; wchar_t **wstrs, *wstr_src; gint num_wstrs; gint len_cpy; if (XmbTextListToTextProperty (gdk_display, (char **)&src, 1, XTextStyle, &tpr) != Success) { /* NoMem or LocaleNotSupp */ return -1; } if (XwcTextPropertyToTextList (gdk_display, &tpr, &wstrs, &num_wstrs) != Success) { /* InvalidChar */ return -1; } if (num_wstrs == 0) return 0; wstr_src = wstrs[0]; for (len_cpy=0; len_cpy