From ab9a56f51b6c836884eb1fd7d8864807e6c5ed40 Mon Sep 17 00:00:00 2001 From: Christopher James Lahey Date: Wed, 5 Apr 2000 01:08:22 +0000 Subject: Removed an unnecessary get_bounds call. 2000-04-04 Christopher James Lahey * widgets/e-text/e-text.c: Removed an unnecessary get_bounds call. (From a patch by Iain Holmes ) * widgets/e-text/e-text.c: Made tooltips look more like the underlying text. Made tooltips show up more consistently. svn path=/trunk/; revision=2290 --- widgets/text/e-text.c | 82 ++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 62 insertions(+), 20 deletions(-) (limited to 'widgets/text/e-text.c') diff --git a/widgets/text/e-text.c b/widgets/text/e-text.c index 03c230feb0..19dd826fe2 100644 --- a/widgets/text/e-text.c +++ b/widgets/text/e-text.c @@ -140,6 +140,9 @@ static ETextSuckFont *e_suck_font (GdkFont *font); static void e_suck_font_free (ETextSuckFont *suckfont); static void e_text_free_lines(EText *text); +static void calc_height (EText *text); +static void calc_line_widths (EText *text); +static void split_into_lines (EText *text); static GnomeCanvasItemClass *parent_class; static GdkAtom clipboard_atom = GDK_NONE; @@ -299,7 +302,7 @@ e_text_init (EText *text) text->y = 0.0; text->anchor = GTK_ANCHOR_CENTER; text->justification = GTK_JUSTIFY_LEFT; - text->clip_width = 1.0; + text->clip_width = -1.0; text->clip_height = -1.0; text->xofs = 0.0; text->yofs = 0.0; @@ -486,6 +489,7 @@ get_bounds_item_relative (EText *text, double *px1, double *py1, double *px2, do *px1 = clip_x; *py1 = clip_y; *px2 = clip_x + text->clip_width; + if ( text->clip_height >= 0 ) *py2 = clip_y + text->clip_height; else @@ -502,7 +506,7 @@ static void get_bounds (EText *text, double *px1, double *py1, double *px2, double *py2) { GnomeCanvasItem *item; - double wx, wy; + double wx, wy, clip_width; item = GNOME_CANVAS_ITEM (text); @@ -513,10 +517,18 @@ get_bounds (EText *text, double *px1, double *py1, double *px2, double *py2) gnome_canvas_item_i2w (item, &wx, &wy); gnome_canvas_w2c (item->canvas, wx + text->xofs, wy + text->yofs, &text->cx, &text->cy); - /* Get canvas pixel coordinates for clip rectangle position */ + /* Calculate the width and heights */ + calc_height (text); + calc_line_widths (text); + + if (text->clip_width < 0) + clip_width = text->max_width; + else + clip_width = text->clip_width; + /* Get canvas pixel coordinates for clip rectangle position */ gnome_canvas_w2c (item->canvas, wx, wy, &text->clip_cx, &text->clip_cy); - text->clip_cwidth = text->clip_width * item->canvas->pixels_per_unit; + text->clip_cwidth = clip_width * item->canvas->pixels_per_unit; if ( text->clip_height >= 0 ) text->clip_cheight = text->clip_height * item->canvas->pixels_per_unit; else @@ -593,6 +605,10 @@ calc_height (EText *text) old_height = text->height; + /* Make sure the text is split into lines first */ + if (text->text && text->num_lines == 0) + split_into_lines (text); + if (text->text && text->font) text->height = (text->font->ascent + text->font->descent) * text->num_lines; else @@ -620,6 +636,10 @@ calc_line_widths (EText *text) int i; int j; + /* Make sure line has been split */ + if (text->text && text->num_lines == 0) + split_into_lines (text); + lines = text->lines; text->max_width = 0; @@ -639,7 +659,8 @@ calc_line_widths (EText *text) if (text->clip && text->use_ellipsis && ! text->editing && - lines->width > text->clip_width) { + lines->width > text->clip_width && + text->clip_width >= 0) { if (text->font) { lines->ellipsis_length = 0; for (j = 0; j < lines->length; j++ ) { @@ -933,6 +954,7 @@ e_text_set_arg (GtkObject *object, GtkArg *arg, guint arg_id) break; case ARG_TEXT: + text->num_lines = 1; e_text_model_set_text(text->model, GTK_VALUE_STRING (*arg)); break; @@ -1395,7 +1417,6 @@ e_text_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int fla art_drect_affine_transform (&c_bbox, &i_bbox, affine); } text->needs_recalc_bounds = 0; - get_bounds (text, &x1, &y1, &x2, &y2); } if ( text->needs_redraw ) { gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); @@ -2115,9 +2136,10 @@ _do_tooltip (gpointer data) { EText *text = E_TEXT (data); struct line *lines; - GtkWidget *label, *vbox; + GtkWidget *canvas; gint x, y, pointer_x, pointer_y, scr_w, scr_h, tip_w, tip_h; int i; + gdouble max_width; gboolean cut_off; if (text->editing) @@ -2143,21 +2165,40 @@ _do_tooltip (gpointer data) gdk_window_get_pointer (NULL, &pointer_x, &pointer_y, NULL); text->tooltip_window = gtk_window_new (GTK_WINDOW_POPUP); - vbox = gtk_vbox_new (TRUE, 0); - lines = text->lines; - for (i = 0; i < text->num_lines; i++) { - gchar *linetext; + gtk_container_set_border_width (GTK_CONTAINER (text->tooltip_window), 2); - linetext = g_strndup (lines->text, lines->length); - label = gtk_label_new (linetext); - g_free (linetext); - gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5); - gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0); - lines++; + canvas = e_canvas_new (); + gtk_container_add (GTK_CONTAINER (text->tooltip_window), canvas); + + /* Ensure valid height field */ + calc_height (text); + + /* Get the longest line length */ + max_width = 0.0; + for (lines = text->lines, i = 0; i < text->num_lines; lines++, i++) { + gdouble line_width; + + line_width = gdk_text_width (text->font, lines->text, lines->length); + max_width = MAX (max_width, line_width); } - gtk_widget_show_all (vbox); - gtk_container_add (GTK_CONTAINER (text->tooltip_window), vbox); + gnome_canvas_item_new (gnome_canvas_root (GNOME_CANVAS (canvas)), + e_text_get_type (), + "anchor", GTK_ANCHOR_NW, + "font_gdk", text->font, + "text", text->text, + "editable", FALSE, + "clip_width", max_width, + "clip_height", (double)text->height, + "clip", TRUE, + NULL); + + gtk_widget_set_usize (text->tooltip_window, + (int)max_width + 4, + text->height + 4); + gnome_canvas_set_scroll_region (GNOME_CANVAS(canvas), 0.0, 0.0, + max_width, (double)text->height); + gtk_widget_show (canvas); gtk_widget_realize (text->tooltip_window); tip_w = text->tooltip_window->allocation.width; tip_h = text->tooltip_window->allocation.height; @@ -2326,7 +2367,8 @@ e_text_event (GnomeCanvasItem *item, GdkEvent *event) } break; case GDK_LEAVE_NOTIFY: - text->tooltip_count --; + if (text->tooltip_count > 0) + text->tooltip_count --; if ( text->tooltip_count == 0 && text->clip) { if ( text->tooltip_timeout ) { gtk_timeout_remove (text->tooltip_timeout); -- cgit v1.2.3