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/*
* e-cell-text.c: Text cell renderer
*
* Author:
* Miguel de Icaza (miguel@kernel.org)
*
* (C) 1999 Helix Code, Inc
*/
#include <config.h>
#include <gtk/gtkenums.h>
#include "e-cell-text.h"
#include "e-util.h"
#define PARENT_TYPE e_cell_get_type()
#define TEXT_PAD 2
typedef struct {
ECellView cell_view;
GdkGC *gc;
GdkFont *font;
GnomeCanvas *canvas;
} ECellTextView;
static ECellClass *parent_class;
static ECellView *
ect_realize (ECell *ecell, GnomeCanvas *canvas)
{
ECellText *ect = E_CELL_TEXT (ecell);
ECellTextView *ectv = g_new0 (ECellTextView, 1);
ectv->cell_view.ecell = ecell;
ectv->gc = gdk_gc_new (GTK_WIDGET (canvas)->window);
if (ect->font_name){
GdkFont *f;
f = gdk_fontset_load (ect->font_name);
ectv->font = f;
}
if (!ectv->font){
ectv->font = GTK_WIDGET (canvas)->style->font;
gdk_font_ref (ectv->font);
}
ectv->canvas = canvas;
return (ECellView *)ectv;
}
static void
ect_unrealize (ECellView *ecv)
{
ECellTextView *ectv = (ECellTextView *) ecv;
gdk_gc_unref (ectv->gc);
ectv->gc = NULL;
gdk_font_unref (ectv->font);
ectv->font = NULL;
g_free (ectv);
}
static void
ect_draw (ECellView *ecell_view, GdkDrawable *drawable, int col, int row, int x1, int y1, int x2, int y2)
{
ECellText *ect = E_CELL_TEXT (ecell_view->ecell);
ECellTextView *text_view = (ECellTextView *) ecell_view;
GdkRectangle rect;
const char *str = e_table_model_value_at (ecell_view->ecell->table_model, col, row);
int selected = e_table_model_get_selected_row (ecell_view->ecell->table_model) == row;
int xoff, w;
rect.x = x1;
rect.y = y1;
rect.width = x2 - x1;
rect.height = y2 - y1;
gdk_gc_set_clip_rectangle (text_view->gc, &rect);
switch (ect->justify){
case GTK_JUSTIFY_LEFT:
xoff = 1;
break;
case GTK_JUSTIFY_RIGHT:
w = 1 + gdk_text_width (text_view->font, str, strlen (str));
xoff = (x2 - x1) - w;
break;
case GTK_JUSTIFY_CENTER:
xoff = ((x2 - x1) - gdk_text_width (text_view->font, str, strlen (str))) / 2;
break;
default:
g_warning ("Can not handle GTK_JUSTIFY_FILL");
break;
}
/* Draw now */
{
GtkWidget *w = GTK_WIDGET (text_view->canvas);
GdkColor *background, *foreground;
const int height = text_view->font->ascent + text_view->font->descent;
if (selected){
background = &w->style->bg [GTK_STATE_SELECTED];
foreground = &w->style->text [GTK_STATE_SELECTED];
} else {
background = &w->style->base [GTK_STATE_NORMAL];
foreground = &w->style->text [GTK_STATE_NORMAL];
}
gdk_gc_set_foreground (text_view->gc, background);
gdk_draw_rectangle (drawable, text_view->gc, TRUE,
rect.x, rect.y, rect.width, rect.height);
gdk_gc_set_foreground (text_view->gc, foreground);
gdk_draw_string (drawable, text_view->font, text_view->gc,
x1 + xoff, y2 - text_view->font->descent - ((y2-y1-height)/2), str);
}
}
static void
e_cell_text_start_editing (ECellText *ect, int col, int row)
{
printf ("Starting to edit %d %d\n", col, row);
}
static gint
ect_event (ECellView *ecell_view, GdkEvent *event, int col, int row)
{
ECell *ecell = ecell_view->ecell;
ECellText *ect = E_CELL_TEXT (ecell);
switch (event->type){
case GDK_BUTTON_PRESS:
if (e_table_model_get_selected_row (ecell->table_model) == row)
e_cell_text_start_editing (ect, col, row);
else
e_table_model_select_row (ecell->table_model, row);
return TRUE;
}
}
static int
ect_height (ECellView *ecell_view, int col, int row)
{
ECellTextView *text_view = (ECellTextView *) ecell_view;
return (text_view->font->ascent + text_view->font->descent) + TEXT_PAD;
}
static void
ect_destroy (GtkObject *object)
{
ECellText *ect = E_CELL_TEXT (object);
g_free (ect->font_name);
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
e_cell_text_class_init (GtkObjectClass *object_class)
{
ECellClass *ecc = (ECellClass *) object_class;
object_class->destroy = ect_destroy;
ecc->realize = ect_realize;
ecc->unrealize = ect_unrealize;
ecc->draw = ect_draw;
ecc->event = ect_event;
ecc->height = ect_height;
parent_class = gtk_type_class (PARENT_TYPE);
}
E_MAKE_TYPE(e_cell_text, "ECellText", ECellText, e_cell_text_class_init, NULL, PARENT_TYPE);
ECell *
e_cell_text_new (ETableModel *etm, const char *fontname, GtkJustification justify)
{
ECellText *ect = gtk_type_new (e_cell_text_get_type ());
ect->font_name = g_strdup (fontname);
ect->justify = justify;
E_CELL (ect)->table_model = etm;
return (ECell *) ect;
}
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