/* * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client * Copyright (C) 1999-2005 Hiroyuki Yamamoto * * 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. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #if (HAVE_WCTYPE_H && HAVE_WCHAR_H) # include # include #endif #include "gtkutils.h" #include "utils.h" #include "gtksctree.h" #include "codeconv.h" #include "menu.h" #warning FIXME_GTK2 gboolean gtkut_get_font_size(GtkWidget *widget, gint *width, gint *height) { PangoLayout *layout; const gchar *str = "Abcdef"; g_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE); layout = gtk_widget_create_pango_layout(widget, str); g_return_val_if_fail(layout, FALSE); pango_layout_get_pixel_size(layout, width, height); if (width) *width = *width / g_utf8_strlen(str, -1); g_object_unref(layout); return TRUE; } PangoFontDescription *gtkut_get_default_font_desc(void) { static PangoFontDescription *font_desc = NULL; if (!font_desc) { GtkWidget *window; window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_widget_ensure_style(window); font_desc = pango_font_description_copy (window->style->font_desc); gtk_object_sink(GTK_OBJECT(window)); } return pango_font_description_copy(font_desc); } void gtkut_widget_set_small_font_size(GtkWidget *widget) { PangoFontDescription *font_desc; gint size; g_return_if_fail(widget != NULL); g_return_if_fail(widget->style != NULL); font_desc = gtkut_get_default_font_desc(); size = pango_font_description_get_size(font_desc); pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL); gtk_widget_modify_font(widget, font_desc); pango_font_description_free(font_desc); } void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color) { g_return_if_fail(color != NULL); color->pixel = 0L; color->red = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0); color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >> 8) / 255.0) * 65535.0); color->blue = (int) (((gdouble) (rgbvalue & 0x0000ff) / 255.0) * 65535.0); } void gtkut_button_set_create(GtkWidget **bbox, GtkWidget **button1, const gchar *label1, GtkWidget **button2, const gchar *label2, GtkWidget **button3, const gchar *label3) { g_return_if_fail(bbox != NULL); g_return_if_fail(button1 != NULL); *bbox = gtk_hbutton_box_new(); gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END); gtk_box_set_spacing(GTK_BOX(*bbox), 5); *button1 = gtk_button_new_with_label(label1); GTK_WIDGET_SET_FLAGS(*button1, GTK_CAN_DEFAULT); gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0); gtk_widget_show(*button1); if (button2) { *button2 = gtk_button_new_with_label(label2); GTK_WIDGET_SET_FLAGS(*button2, GTK_CAN_DEFAULT); gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0); gtk_widget_show(*button2); } if (button3) { *button3 = gtk_button_new_with_label(label3); GTK_WIDGET_SET_FLAGS(*button3, GTK_CAN_DEFAULT); gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0); gtk_widget_show(*button3); } } void gtkut_stock_button_set_create(GtkWidget **bbox, GtkWidget **button1, const gchar *label1, GtkWidget **button2, const gchar *label2, GtkWidget **button3, const gchar *label3) { g_return_if_fail(bbox != NULL); g_return_if_fail(button1 != NULL); *bbox = gtk_hbutton_box_new(); gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END); gtk_box_set_spacing(GTK_BOX(*bbox), 5); *button1 = gtk_button_new_from_stock(label1); GTK_WIDGET_SET_FLAGS(*button1, GTK_CAN_DEFAULT); gtk_box_pack_start(GTK_BOX(*bbox), *button1, TRUE, TRUE, 0); gtk_widget_show(*button1); if (button2) { *button2 = gtk_button_new_from_stock(label2); GTK_WIDGET_SET_FLAGS(*button2, GTK_CAN_DEFAULT); gtk_box_pack_start(GTK_BOX(*bbox), *button2, TRUE, TRUE, 0); gtk_widget_show(*button2); } if (button3) { *button3 = gtk_button_new_from_stock(label3); GTK_WIDGET_SET_FLAGS(*button3, GTK_CAN_DEFAULT); gtk_box_pack_start(GTK_BOX(*bbox), *button3, TRUE, TRUE, 0); gtk_widget_show(*button3); } } static void combo_button_size_request(GtkWidget *widget, GtkRequisition *requisition, gpointer data) { ComboButton *combo = (ComboButton *)data; if (combo->arrow->allocation.height != requisition->height) gtk_widget_set_size_request(combo->arrow, -1, requisition->height); } static void combo_button_enter(GtkWidget *widget, gpointer data) { ComboButton *combo = (ComboButton *)data; if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_PRELIGHT) { gtk_widget_set_state(combo->arrow, GTK_STATE_PRELIGHT); gtk_widget_queue_draw(combo->arrow); } if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_PRELIGHT) { gtk_widget_set_state(combo->button, GTK_STATE_PRELIGHT); gtk_widget_queue_draw(combo->button); } } static void combo_button_leave(GtkWidget *widget, gpointer data) { ComboButton *combo = (ComboButton *)data; if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_NORMAL) { gtk_widget_set_state(combo->arrow, GTK_STATE_NORMAL); gtk_widget_queue_draw(combo->arrow); } if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_NORMAL) { gtk_widget_set_state(combo->button, GTK_STATE_NORMAL); gtk_widget_queue_draw(combo->button); } } static gint combo_button_arrow_pressed(GtkWidget *widget, GdkEventButton *event, gpointer data) { ComboButton *combo = (ComboButton *)data; if (!event) return FALSE; gtk_menu_popup(GTK_MENU(combo->menu), NULL, NULL, menu_button_position, combo->button, event->button, event->time); return TRUE; } static void combo_button_destroy(GtkWidget *widget, gpointer data) { ComboButton *combo = (ComboButton *)data; gtk_object_destroy(GTK_OBJECT(combo->factory)); g_free(combo); } ComboButton *gtkut_combo_button_create(GtkWidget *button, GtkItemFactoryEntry *entries, gint n_entries, const gchar *path, gpointer data) { ComboButton *combo; GtkWidget *arrow; combo = g_new0(ComboButton, 1); combo->arrow = gtk_button_new(); arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT); gtk_widget_set_size_request(arrow, 7, -1); gtk_container_add(GTK_CONTAINER(combo->arrow), arrow); GTK_WIDGET_UNSET_FLAGS(combo->arrow, GTK_CAN_FOCUS); gtk_widget_show_all(combo->arrow); combo->button = button; combo->menu = menu_create_items(entries, n_entries, path, &combo->factory, data); combo->data = data; g_signal_connect(G_OBJECT(combo->button), "size_request", G_CALLBACK(combo_button_size_request), combo); g_signal_connect(G_OBJECT(combo->button), "enter", G_CALLBACK(combo_button_enter), combo); g_signal_connect(G_OBJECT(combo->button), "leave", G_CALLBACK(combo_button_leave), combo); g_signal_connect(G_OBJECT(combo->arrow), "enter", G_CALLBACK(combo_button_enter), combo); g_signal_connect(G_OBJECT(combo->arrow), "leave", G_CALLBACK(combo_button_leave), combo); g_signal_connect(G_OBJECT(combo->arrow), "button_press_event", G_CALLBACK(combo_button_arrow_pressed), combo); g_signal_connect(G_OBJECT(combo->arrow), "destroy", G_CALLBACK(combo_button_destroy), combo); return combo; } #define CELL_SPACING 1 #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \ (((row) + 1) * CELL_SPACING) + \ (clist)->voffset) #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \ ((clist)->row_height + CELL_SPACING)) void gtkut_ctree_node_move_if_on_the_edge(GtkCTree *ctree, GtkCTreeNode *node) { GtkCList *clist = GTK_CLIST(ctree); gint row; GtkVisibility row_visibility, prev_row_visibility, next_row_visibility; g_return_if_fail(ctree != NULL); g_return_if_fail(node != NULL); row = g_list_position(clist->row_list, (GList *)node); if (row < 0 || row >= clist->rows || clist->row_height == 0) return; row_visibility = gtk_clist_row_is_visible(clist, row); prev_row_visibility = gtk_clist_row_is_visible(clist, row - 1); next_row_visibility = gtk_clist_row_is_visible(clist, row + 1); if (row_visibility == GTK_VISIBILITY_NONE) { gtk_clist_moveto(clist, row, -1, 0.5, 0); return; } if (row_visibility == GTK_VISIBILITY_FULL && prev_row_visibility == GTK_VISIBILITY_FULL && next_row_visibility == GTK_VISIBILITY_FULL) return; if (prev_row_visibility != GTK_VISIBILITY_FULL && next_row_visibility != GTK_VISIBILITY_FULL) return; if (prev_row_visibility != GTK_VISIBILITY_FULL) { gtk_clist_moveto(clist, row, -1, 0.2, 0); return; } if (next_row_visibility != GTK_VISIBILITY_FULL) { gtk_clist_moveto(clist, row, -1, 0.8, 0); return; } } #undef CELL_SPACING #undef ROW_TOP_YPIXEL #undef ROW_FROM_YPIXEL gint gtkut_ctree_get_nth_from_node(GtkCTree *ctree, GtkCTreeNode *node) { g_return_val_if_fail(ctree != NULL, -1); g_return_val_if_fail(node != NULL, -1); return g_list_position(GTK_CLIST(ctree)->row_list, (GList *)node); } /* get the next node, including the invisible one */ GtkCTreeNode *gtkut_ctree_node_next(GtkCTree *ctree, GtkCTreeNode *node) { GtkCTreeNode *parent; if (!node) return NULL; if (GTK_CTREE_ROW(node)->children) return GTK_CTREE_ROW(node)->children; if (GTK_CTREE_ROW(node)->sibling) return GTK_CTREE_ROW(node)->sibling; for (parent = GTK_CTREE_ROW(node)->parent; parent != NULL; parent = GTK_CTREE_ROW(parent)->parent) { if (GTK_CTREE_ROW(parent)->sibling) return GTK_CTREE_ROW(parent)->sibling; } return NULL; } /* get the previous node, including the invisible one */ GtkCTreeNode *gtkut_ctree_node_prev(GtkCTree *ctree, GtkCTreeNode *node) { GtkCTreeNode *prev; GtkCTreeNode *child; if (!node) return NULL; prev = GTK_CTREE_NODE_PREV(node); if (prev == GTK_CTREE_ROW(node)->parent) return prev; child = prev; while (GTK_CTREE_ROW(child)->children != NULL) { child = GTK_CTREE_ROW(child)->children; while (GTK_CTREE_ROW(child)->sibling != NULL) child = GTK_CTREE_ROW(child)->sibling; } return child; } gboolean gtkut_ctree_node_is_selected(GtkCTree *ctree, GtkCTreeNode *node) { GtkCList *clist = GTK_CLIST(ctree); GList *cur; for (cur = clist->selection; cur != NULL; cur = cur->next) { if (node == GTK_CTREE_NODE(cur->data)) return TRUE; } return FALSE; } GtkCTreeNode *gtkut_ctree_find_collapsed_parent(GtkCTree *ctree, GtkCTreeNode *node) { if (!node) return NULL; while ((node = GTK_CTREE_ROW(node)->parent) != NULL) { if (!GTK_CTREE_ROW(node)->expanded) return node; } return NULL; } void gtkut_ctree_expand_parent_all(GtkCTree *ctree, GtkCTreeNode *node) { while ((node = gtkut_ctree_find_collapsed_parent(ctree, node)) != NULL) gtk_ctree_expand(ctree, node); } void gtkut_ctree_set_focus_row(GtkCTree *ctree, GtkCTreeNode *node) { gtkut_clist_set_focus_row(GTK_CLIST(ctree), gtkut_ctree_get_nth_from_node(ctree, node)); } void gtkut_clist_set_focus_row(GtkCList *clist, gint row) { clist->focus_row = row; GTKUT_CTREE_REFRESH(clist); } void gtkut_combo_set_items(GtkCombo *combo, const gchar *str1, ...) { va_list args; gchar *s; GList *combo_items = NULL; g_return_if_fail(str1 != NULL); combo_items = g_list_append(combo_items, (gpointer)str1); va_start(args, str1); s = va_arg(args, gchar*); while (s) { combo_items = g_list_append(combo_items, (gpointer)s); s = va_arg(args, gchar*); } va_end(args); gtk_combo_set_popdown_strings(combo, combo_items); g_list_free(combo_items); } gchar *gtkut_editable_get_selection(GtkEditable *editable) { guint start_pos, end_pos; gboolean found; g_return_val_if_fail(GTK_IS_EDITABLE(editable), NULL); found = gtk_editable_get_selection_bounds(editable, &start_pos, &end_pos); if (found) return gtk_editable_get_chars(editable, start_pos, end_pos); else return NULL; } void gtkut_editable_disable_im(GtkEditable *editable) { g_return_if_fail(editable != NULL); #if USE_XIM if (editable->ic) { gdk_ic_destroy(editable->ic); editable->ic = NULL; } if (editable->ic_attr) { gdk_ic_attr_destroy(editable->ic_attr); editable->ic_attr = NULL; } #endif } /* * Walk through the widget tree and disclaim the selection from all currently * realized GtkEditable widgets. */ static void gtkut_check_before_remove(GtkWidget *widget, gpointer unused) { g_return_if_fail(widget != NULL); if (!GTK_WIDGET_REALIZED(widget)) return; /* all nested widgets must be unrealized too */ if (GTK_IS_CONTAINER(widget)) gtk_container_forall(GTK_CONTAINER(widget), gtkut_check_before_remove, NULL); #if 0 if (GTK_IS_EDITABLE(widget)) gtk_editable_claim_selection(GTK_EDITABLE(widget), FALSE, GDK_CURRENT_TIME); #endif } /* * Wrapper around gtk_container_remove to work around a bug in GtkText and * GtkEntry (in all GTK+ versions up to and including at least 1.2.10). * * The problem is that unrealizing a GtkText or GtkEntry widget which has the * active selection completely messes up selection handling, leading to * non-working selections and crashes. Removing a widget from its container * implies unrealizing it and all its child widgets; this triggers the bug if * the removed widget or any of its children is GtkText or GtkEntry. As a * workaround, this function walks through the widget subtree before removing * and disclaims the selection from all GtkEditable widgets found. * * A similar workaround may be needed for gtk_widget_reparent(); currently it * is not necessary because Sylpheed does not use gtk_widget_reparent() for * GtkEditable widgets or containers holding such widgets. */ void gtkut_container_remove(GtkContainer *container, GtkWidget *widget) { gtkut_check_before_remove(widget, NULL); gtk_container_remove(container, widget); } gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf, const GtkTextIter *iter, gunichar *wcs, gint len, gboolean case_sens) { GtkTextIter start_iter, end_iter; gchar *utf8str, *p; gint match_count; start_iter = end_iter = *iter; gtk_text_iter_forward_chars(&end_iter, len); utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE); if (!utf8str) return FALSE; if ((gint)g_utf8_strlen(utf8str, -1) != len) { g_free(utf8str); return FALSE; } for (p = utf8str, match_count = 0; *p != '\0' && match_count < len; p = g_utf8_next_char(p), match_count++) { gunichar wc; wc = g_utf8_get_char(p); if (case_sens) { if (wc != wcs[match_count]) break; } else { if (g_unichar_tolower(wc) != g_unichar_tolower(wcs[match_count])) break; } } g_free(utf8str); if (match_count == len) return TRUE; else return FALSE; } gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter, const gchar *str, gboolean case_sens, GtkTextIter *match_pos) { gunichar *wcs; gint len; glong items_read = 0, items_written = 0; GError *error = NULL; GtkTextIter iter_; gboolean found = FALSE; wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error); if (error != NULL) { g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message); g_error_free(error); } if (!wcs || items_written <= 0) return FALSE; len = (gint)items_written; iter_ = *iter; do { found = gtkut_text_buffer_match_string (buffer, &iter_, wcs, len, case_sens); if (found) { *match_pos = iter_; break; } } while (gtk_text_iter_forward_char(&iter_)); g_free(wcs); return found; } gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer, const GtkTextIter *iter, const gchar *str, gboolean case_sens, GtkTextIter *match_pos) { gunichar *wcs; gint len; glong items_read = 0, items_written = 0; GError *error = NULL; GtkTextIter iter_; gboolean found = FALSE; wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error); if (error != NULL) { g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message); g_error_free(error); } if (!wcs || items_written <= 0) return FALSE; len = (gint)items_written; iter_ = *iter; while (gtk_text_iter_backward_char(&iter_)) { found = gtkut_text_buffer_match_string (buffer, &iter_, wcs, len, case_sens); if (found) { *match_pos = iter_; break; } } g_free(wcs); return found; } gchar *gtkut_text_view_get_selection(GtkTextView *textview) { GtkTextBuffer *buffer; GtkTextIter start_iter, end_iter; gboolean found; g_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL); buffer = gtk_text_view_get_buffer(textview); found = gtk_text_buffer_get_selection_bounds(buffer, &start_iter, &end_iter); if (found) return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE); else return NULL; } void gtkut_window_popup(GtkWidget *window) { gint x, y, sx, sy, new_x, new_y; g_return_if_fail(window != NULL); g_return_if_fail(window->window != NULL); sx = gdk_screen_width(); sy = gdk_screen_height(); gdk_window_get_origin(window->window, &x, &y); new_x = x % sx; if (new_x < 0) new_x = 0; new_y = y % sy; if (new_y < 0) new_y = 0; if (new_x != x || new_y != y) gdk_window_move(window->window, new_x, new_y); gtk_window_present(GTK_WINDOW(window)); } void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py) { gint x, y; gint sx, sy; g_return_if_fail(widget != NULL); g_return_if_fail(widget->window != NULL); sx = gdk_screen_width(); sy = gdk_screen_height(); /* gdk_window_get_root_origin ever return *rootwindow*'s position */ gdk_window_get_root_origin(widget->window, &x, &y); x %= sx; if (x < 0) x = 0; y %= sy; if (y < 0) y = 0; *px = x; *py = y; } #warning FIXME_GTK2 void gtkut_widget_wait_for_draw(GtkWidget *widget) { if (!GTK_WIDGET_VISIBLE(widget) || !GTK_WIDGET_MAPPED(widget)) return; while (gtk_events_pending()) gtk_main_iteration(); } static void gtkut_clist_bindings_add(GtkWidget *clist) { GtkBindingSet *binding_set; binding_set = gtk_binding_set_by_class(GTK_CLIST_GET_CLASS(clist)); gtk_binding_entry_add_signal(binding_set, GDK_n, GDK_CONTROL_MASK, "scroll_vertical", 2, G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, G_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK, "scroll_vertical", 2, G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, G_TYPE_FLOAT, 0.0); } void gtkut_widget_init(void) { GtkWidget *clist; clist = gtk_clist_new(1); g_object_ref(G_OBJECT(clist)); gtk_object_sink(GTK_OBJECT(clist)); gtkut_clist_bindings_add(clist); g_object_unref(G_OBJECT(clist)); clist = gtk_ctree_new(1, 0); g_object_ref(G_OBJECT(clist)); gtk_object_sink(GTK_OBJECT(clist)); gtkut_clist_bindings_add(clist); g_object_unref(G_OBJECT(clist)); clist = gtk_sctree_new_with_titles(1, 0, NULL); g_object_ref(G_OBJECT(clist)); gtk_object_sink(GTK_OBJECT(clist)); gtkut_clist_bindings_add(clist); g_object_unref(G_OBJECT(clist)); }