/*
* DRAWING ROUTINES - functions to paint the canvas item.
*/
static void
e_day_view_time_item_draw (GnomeCanvasItem *canvas_item,
GdkDrawable *drawable,
int x,
int y,
int width,
int height)
{
EDayView *day_view;
EDayViewTimeItem *dvtmitem;
GtkStyle *style;
GdkGC *gc, *fg_gc, *dark_gc;
gchar buffer[64], *suffix;
gboolean show_marcus_bains_line;
const char *dayview_color;
const char *timebar_color;
gint hour, display_hour, minute, row;
gint row_y, start_y, large_hour_y_offset, small_font_y_offset;
gint long_line_x1, long_line_x2, short_line_x1;
gint large_hour_x2, minute_x2;
gint hour_width, minute_width, suffix_width;
gint max_suffix_width, max_minute_or_suffix_width;
PangoLayout *layout;
PangoContext *context;
PangoFontDescription *small_font_desc;
PangoFontMetrics *large_font_metrics, *small_font_metrics;
dvtmitem = E_DAY_VIEW_TIME_ITEM (canvas_item);
day_view = dvtmitem->day_view;
g_return_if_fail (day_view != NULL);
style = gtk_widget_get_style (GTK_WIDGET (day_view));
small_font_desc = style->font_desc;
context = gtk_widget_get_pango_context (GTK_WIDGET (day_view));
large_font_metrics = pango_context_get_metrics (context, day_view->large_font_desc,
pango_context_get_language (context));
small_font_metrics = pango_context_get_metrics (context, small_font_desc,
pango_context_get_language (context));
gc = day_view->main_gc;
fg_gc = style->fg_gc[GTK_STATE_NORMAL];
dark_gc = style->dark_gc[GTK_STATE_NORMAL];
/* The start and end of the long horizontal line between hours. */
long_line_x1 = E_DVTMI_TIME_GRID_X_PAD - x;
long_line_x2 = dvtmitem->column_width - E_DVTMI_TIME_GRID_X_PAD - x;
if (day_view->mins_per_row == 60) {
/* The right edge of the complete time string in 60-min
divisions, e.g. "14:00" or "2 pm". */
minute_x2 = long_line_x2 - E_DVTMI_60_MIN_X_PAD;
/* These aren't used for 60-minute divisions, but we initialize
them to keep gcc happy. */
short_line_x1 = 0;
large_hour_x2 = 0;
} else {
max_suffix_width = MAX (day_view->am_string_width,
day_view->pm_string_width);
max_minute_or_suffix_width = MAX (max_suffix_width,
day_view->max_minute_width);
/* The start of the short horizontal line between the periods
within each hour. */
short_line_x1 = long_line_x2 - E_DVTMI_MIN_X_PAD * 2
- max_minute_or_suffix_width;
/* The right edge of the large hour string. */
large_hour_x2 = short_line_x1 - E_DVTMI_HOUR_R_PAD;
/* The right edge of the minute part of the time. */
minute_x2 = long_line_x2 - E_DVTMI_MIN_X_PAD;
}
/* Start with the first hour & minute shown in the EDayView. */
hour = day_view->first_hour_shown;
minute = day_view->first_minute_shown;
/* The offset of the large hour string from the top of the row. */
large_hour_y_offset = E_DVTMI_LARGE_HOUR_Y_PAD;
/* The offset of the small time/minute string from top of row. */
small_font_y_offset = E_DVTMI_SMALL_FONT_Y_PAD;
/* Calculate the minimum y position of the first row we need to draw.
This is normally one row height above the 0 position, but if we
are using the large font we may have to go back a bit further. */
start_y = 0 - MAX (day_view->row_height,
(pango_font_metrics_get_ascent (large_font_metrics) +
pango_font_metrics_get_descent (large_font_metrics)) / PANGO_SCALE +
E_DVTMI_LARGE_HOUR_Y_PAD);
/* Draw the Marcus Bains Line first, so it appears under other elements. */
if (e_day_view_get_show_marcus_bains (day_view)) {
struct icaltimetype time_now;
int marcus_bains_y;
GdkColor mb_color;
gdk_gc_set_foreground (gc, &day_view->colors[E_DAY_VIEW_COLOR_MARCUS_BAINS_LINE]);
if (day_view->marcus_bains_time_bar_color && gdk_color_parse (day_view->marcus_bains_time_bar_color, &mb_color)) {
GdkColormap *colormap;
colormap = gtk_widget_get_colormap (GTK_WIDGET (day_view));
if (gdk_colormap_alloc_color (colormap, &mb_color, TRUE, TRUE)) {
gdk_gc_set_foreground (gc, &mb_color);
}
}
time_now = icaltime_current_time_with_zone (e_calendar_view_get_timezone (E_CALENDAR_VIEW (day_view)));
marcus_bains_y = (time_now.hour * 60 + time_now.minute) * day_view->row_height / day_view->mins_per_row - y;
gdk_draw_line (drawable, gc,
long_line_x1, marcus_bains_y,
long_line_x2, marcus_bains_y);
}
/* Step through each row, drawing the times and the horizontal lines
between them. */
for (row = 0, row_y = 0 - y;
row < day_view->rows && row_y < height;
row++, row_y += day_view->row_height) {
/* If the row is above the first row we want to draw just
increment the time and skip to the next row. */
if (row_y < start_y) {
e_day_view_time_item_increment_time (&hour, &minute,
day_view->mins_per_row);
continue;
}
/* Calculate the actual hour number to display. For 12-hour
format we convert 0-23 to 12-11am/12-11pm. */
e_day_view_convert_time_to_display (day_view, hour,
&display_hour,
&suffix, &suffix_width);
if (day_view->mins_per_row == 60) {
/* 60 minute intervals - draw a long horizontal line
between hours and display as one long string,
e.g. "14:00" or "2 pm". */
gdk_draw_line (drawable, dark_gc,
long_line_x1, row_y,
long_line_x2, row_y);
if (e_calendar_view_get_use_24_hour_format (E_CALENDAR_VIEW (day_view))) {
g_snprintf (buffer, sizeof (buffer), "%i:%02i",
display_hour, minute);
} else {
g_snprintf (buffer, sizeof (buffer), "%i %s",
display_hour, suffix);
}
layout = gtk_widget_create_pango_layout (GTK_WIDGET (day_view), buffer);
pango_layout_get_pixel_size (layout, &minute_width, NULL);
gdk_draw_layout (drawable, fg_gc,
minute_x2 - minute_width,
row_y + small_font_y_offset,
layout);
g_object_unref (layout);
} else {
/* 5/10/15/30 minute intervals. */
if (minute == 0) {
/* On the hour - draw a long horizontal line
before the hour and display the hour in the
large font. */
gdk_draw_line (drawable, dark_gc,
long_line_x1, row_y,
long_line_x2, row_y);
g_snprintf (buffer, sizeof (buffer), "%i",
display_hour);
if(calendar_config_get_marcus_bains(&show_marcus_bains_line , &dayview_color , &timebar_color))
{
e_day_view_on_time_canvas_scroll(GtkWidget *widget,
GdkEventScroll *scroll,
EDayView *day_view);
}
layout = gtk_widget_create_pango_layout (GTK_WIDGET (day_view), buffer);
pango_layout_set_font_description (layout, day_view->large_font_desc);
pango_layout_get_pixel_size (layout, &hour_width, NULL);
gdk_draw_layout (drawable, fg_gc,
large_hour_x2 - hour_width,
row_y + large_hour_y_offset,
layout);
g_object_unref (layout);
} else {
/* Within the hour - draw a short line before
the time. */
gdk_draw_line (drawable, dark_gc,
short_line_x1, row_y,
long_line_x2, row_y);
}
/* Normally we display the minute in each
interval, but when using 30-minute intervals
we don't display the '30'. */
if (day_view->mins_per_row != 30 || minute != 30) {
/* In 12-hour format we display 'am' or 'pm'
instead of '00'. */
if (minute == 0
&& !e_calendar_view_get_use_24_hour_format (E_CALENDAR_VIEW (day_view))) {
strcpy (buffer, suffix);
} else {
g_snprintf (buffer, sizeof (buffer),
"%02i", minute);
}
layout = gtk_widget_create_pango_layout (GTK_WIDGET (day_view), buffer);
pango_layout_get_pixel_size (layout, &minute_width, NULL);
gdk_draw_layout (drawable, fg_gc,
minute_x2 - minute_width,
row_y + small_font_y_offset,
layout);
g_object_unref (layout);
}
}
e_day_view_time_item_increment_time (&hour, &minute,
day_view->mins_per_row);
}
pango_font_metrics_unref (large_font_metrics);
pango_font_metrics_unref (small_font_metrics);
}