Change GncDenseCal font-handling from GDK to Pango. Change mark rectangles to circles, because they're cuter.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@15475 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Joshua Sled 2007-01-31 02:05:02 +00:00
parent cc8b101186
commit f042147ca5
3 changed files with 138 additions and 170 deletions

View File

@ -87,10 +87,10 @@ TODO
- [ ] clean up, reformat
- gnc_dense_cal
! - [ ] font handling: gdk -> pango
- [ ] change number-of-month properties to display-named properties (width, length)
- [?] better transient/floating window
- [/] (re-format file)
! - [x] font handling: gdk -> pango
- [x] set_model(GncTemporalInstancesModel *mdl)
- [x] new interface creation.
- [x] register callbacks for signals

View File

@ -74,25 +74,25 @@ static const gchar* MARK_COLOR = "Yellow";
static QofLogModule log_module = GNC_MOD_SX;
static void gnc_dense_cal_class_init (GncDenseCalClass *class);
static void gnc_dense_cal_init (GncDenseCal *dcal);
static void gnc_dense_cal_finalize (GObject *object);
static void gnc_dense_cal_dispose (GObject *object);
static void gnc_dense_cal_realize (GtkWidget *widget);
static void gnc_dense_cal_class_init(GncDenseCalClass *class);
static void gnc_dense_cal_init(GncDenseCal *dcal);
static void gnc_dense_cal_finalize(GObject *object);
static void gnc_dense_cal_dispose(GObject *object);
static void gnc_dense_cal_realize(GtkWidget *widget);
static void gnc_dense_cal_draw_to_buffer(GncDenseCal *dcal);
static gint gnc_dense_cal_expose(GtkWidget *widget,
GdkEventExpose *event);
static gint gnc_dense_cal_expose(GtkWidget *widget,
GdkEventExpose *event);
static void gdc_reconfig(GncDenseCal *dcal);
static void gdc_free_all_mark_data(GncDenseCal *dcal);
static void gnc_dense_cal_size_request(GtkWidget *widget,
GtkRequisition *requisition);
GtkRequisition *requisition);
static void gnc_dense_cal_size_allocate(GtkWidget *widget,
GtkAllocation *allocation);
GtkAllocation *allocation);
static gint gnc_dense_cal_motion_notify(GtkWidget *widget,
GdkEventMotion *event);
GdkEventMotion *event);
static gint gnc_dense_cal_button_press(GtkWidget *widget,
GdkEventButton *evt);
@ -149,10 +149,13 @@ static const gchar *month_name(int mon)
{
static gchar buf[MONTH_NAME_BUFSIZE];
GDate date;
gint arbitrary_year = 1977;
memset(buf, 0, MONTH_NAME_BUFSIZE);
g_date_clear(&date, 1);
g_date_set_time_t(&date, time(NULL));
g_date_set_year(&date, arbitrary_year);
g_date_set_day(&date, 1);
// g_date API is 1..12 (not 0..11)
g_date_set_month(&date, mon+1);
g_date_strftime(buf, MONTH_NAME_BUFSIZE-1, "%b", &date);
@ -280,44 +283,45 @@ gnc_dense_cal_init(GncDenseCal *dcal)
/* FIXME : handle [more] properly */
PERR("Error allocating colors\n");
}
/* Deal with the various label sizes. */
{
gint i;
gint maxWidth, maxHeight, maxAscent, maxLBearing;
gint lbearing, rbearing, width, ascent, descent;
gint maxWidth, maxHeight;
gint width;
GtkStyle *style;
PangoLayout *layout;
const PangoFontDescription *existing_font_desc;
PangoFontDescription *font_desc;
gint font_size;
gint font_size_reduction = 2; // pts
layout = gtk_widget_create_pango_layout(GTK_WIDGET(dcal), NULL);
/* @FIXME: GNOME 2 port (rework the complete font code) */
style = gtk_widget_get_style(GTK_WIDGET(dcal));
dcal->dayLabelFont = gtk_style_get_font(style);
gdk_font_ref(dcal->dayLabelFont);
g_assert(dcal->dayLabelFont);
dcal->monthLabelFont = gtk_style_get_font(style);
g_assert(dcal->monthLabelFont);
gdk_font_ref(dcal->monthLabelFont);
maxWidth = maxHeight = maxAscent = maxLBearing = 0;
font_desc = pango_font_description_copy(style->font_desc);
font_size = pango_font_description_get_size(font_desc);
font_size -= font_size_reduction * PANGO_SCALE;
pango_font_description_set_size(font_desc, font_size);
gtk_widget_modify_font(GTK_WIDGET(dcal), font_desc);
pango_font_description_free(font_desc);
maxWidth = maxHeight = 0;
for (i=0; i<12; i++)
{
gint w, h;
gdk_string_extents(dcal->monthLabelFont, month_name(i),
&lbearing, &rbearing, &width,
&ascent, &descent);
w = rbearing - lbearing + 1;
h = ascent + descent;
maxLBearing = MAX(maxLBearing, ABS(lbearing));
pango_layout_set_text(layout, month_name(i), -1);
pango_layout_get_pixel_size(layout, &w, &h);
maxWidth = MAX(maxWidth, w);
maxHeight = MAX(maxHeight, h);
maxAscent = MAX(maxAscent, ascent);
}
dcal->label_width = maxHeight + 1;
dcal->label_height = maxWidth;
dcal->label_lbearing = maxLBearing;
dcal->label_ascent = maxAscent;
dcal->needInitMonthLabels = TRUE;
// these two were reversed, before...
dcal->label_width = maxWidth;
dcal->label_height = maxHeight;
g_object_unref(layout);
}
dcal->month = G_DATE_JANUARY;
@ -342,15 +346,25 @@ gnc_dense_cal_init(GncDenseCal *dcal)
/* Now that we're "sure" of our configuration, compute initial
* scaling factors; will be increased when we're allocated enough
* space to scale up. */
dcal->min_x_scale = dcal->x_scale =
MAX(gdk_string_width(dcal->monthLabelFont, "88"),
gdk_string_width(dcal->dayLabelFont, "88") + 2);
dcal->min_y_scale = dcal->y_scale =
MAX(floor((float)gdk_string_width(dcal->monthLabelFont,
"XXX")
/ 3.0),
gdk_string_height(dcal->dayLabelFont, "88") + 2);
dcal->dayLabelHeight = gdk_string_height(dcal->monthLabelFont, "88");
{
PangoLayout *layout;
int width_88, height_88;
int width_XXX, height_XXX;
layout = gtk_widget_create_pango_layout(GTK_WIDGET(dcal), NULL);
pango_layout_set_text(layout, "88", -1);
pango_layout_get_pixel_size(layout, &width_88, &height_88);
pango_layout_set_text(layout, "XXX", -1);
pango_layout_get_pixel_size(layout, &width_XXX, &height_XXX);
dcal->min_x_scale = dcal->x_scale = width_88 + 2;
dcal->min_y_scale = dcal->y_scale = MAX(floor((float)width_XXX / 3.), height_88 + 2);
dcal->dayLabelHeight = height_88;
g_object_unref(layout);
}
dcal->initialized = TRUE;
}
@ -475,28 +489,7 @@ gnc_dense_cal_dispose (GObject *object)
}
/* FIXME: we have a bunch of cleanup to do, here. */
/* monthLabelFont, dayLabelFont */
if (dcal->monthLabelFont)
{
gdk_font_unref(dcal->monthLabelFont);
dcal->monthLabelFont = NULL;
}
if (dcal->dayLabelFont)
{
gdk_font_unref(dcal->dayLabelFont);
dcal->dayLabelFont = NULL;
}
/* month labels */
if (dcal->monthLabels[0])
{
for (i=0; i < 12; i++)
{
g_object_unref(dcal->monthLabels[i]);
dcal->monthLabels[i] = NULL;
}
}
gdc_free_all_mark_data(dcal);
g_object_unref(G_OBJECT(dcal->model));
@ -759,12 +752,15 @@ gnc_dense_cal_draw_to_buffer(GncDenseCal *dcal)
GtkWidget *widget;
gint i;
int maxWidth;
PangoLayout *layout;
widget = &dcal->widget;
if (!dcal->drawbuf)
return;
layout = gtk_widget_create_pango_layout(GTK_WIDGET(dcal), NULL);
gdk_draw_rectangle(dcal->drawbuf,
widget->style->white_gc,
TRUE,
@ -773,69 +769,6 @@ gnc_dense_cal_draw_to_buffer(GncDenseCal *dcal)
widget->allocation.height);
if (dcal->needInitMonthLabels)
{
/* Create the month labels */
gint i;
GdkPixmap *tmpPix;
GdkImage *tmpImg;
GdkGC *gc;
GdkColor black;
gc = widget->style->fg_gc[widget->state];
tmpPix = gdk_pixmap_new(NULL,
dcal->label_height,
dcal->label_width,
gdk_visual_get_system()->depth);
black.pixel = gdk_rgb_xpixel_from_rgb(0);
for (i=0; i<12; i++)
{
guint x,y;
/* these are going to be rotated, so transpose width
* and height */
dcal->monthLabels[i] =
gdk_pixmap_new(widget->window,
dcal->label_width,
dcal->label_height, -1);
gdk_draw_rectangle(dcal->monthLabels[i],
widget->style->white_gc,
TRUE, 0, 0,
dcal->label_width,
dcal->label_height);
gdk_draw_rectangle(tmpPix,
widget->style->white_gc,
TRUE, 0, 0,
dcal->label_height,
dcal->label_width);
gdk_draw_string(tmpPix, dcal->monthLabelFont, gc,
dcal->label_lbearing,
dcal->label_ascent,
month_name(i));
tmpImg = gdk_image_get(tmpPix, 0, 0,
dcal->label_height,
dcal->label_width);
/* now, (transpose the pixel matrix)==(do a 90-degree
* counter-clockwise rotation) */
for (x=0; x < dcal->label_height; x++)
{
for (y=0; y < dcal->label_width; y++)
{
if (gdk_image_get_pixel(tmpImg, x, y) != black.pixel)
continue;
gdk_draw_point(dcal->monthLabels[i],
gc, y,
dcal->label_height - x);
}
}
gdk_image_destroy(tmpImg);
}
dcal->needInitMonthLabels = FALSE;
}
/* Fill in alternating month colors. */
{
gint i;
@ -882,32 +815,57 @@ gnc_dense_cal_draw_to_buffer(GncDenseCal *dcal)
int i;
int x1, x2, y1, y2;
GdkColor markColor, black;
GdkGCValues current_values;
gdk_gc_get_values(widget->style->fg_gc[widget->state], &current_values);
gdk_color_parse(MARK_COLOR, &markColor);
gdk_colormap_alloc_color(gdk_colormap_get_system(), &markColor, TRUE, TRUE);
gdk_color_black(gdk_colormap_get_system(), &black);
/* FIXME: use a different GC for this */
gdk_gc_set_foreground(widget->style->fg_gc[widget->state], &markColor);
for (i=0; i<dcal->numMarks; i++)
{
if (dcal->marks[i] != NULL)
{
int w,h, x_offset, y_offset, circle_delta;
doc_coords(dcal, i, &x1, &y1, &x2, &y2);
gdk_draw_rectangle(dcal->drawbuf,
widget->style->fg_gc[widget->state],
TRUE, x1, y1, (x2-x1), (y2-y1));
w = x2 - x1;
h = y2 - y1;
x_offset = x1;
y_offset = y1;
circle_delta = ABS(w-h) / 2;
if (w < h)
{
y_offset += circle_delta;
}
else
{
x_offset += circle_delta;
}
gdk_draw_arc(dcal->drawbuf,
widget->style->fg_gc[widget->state],
TRUE,
x_offset, y_offset, MIN(w,h), MIN(w,h),
0 * 64,
360 * 64);
}
}
gdk_gc_set_foreground(widget->style->fg_gc[widget->state], &black);
// reset to the previous foreground color.
gdk_gc_set_foreground(widget->style->fg_gc[widget->state], &current_values.foreground);
}
for (i=0; i < num_cols(dcal); i++)
{
gint x, y, w, h;
gint j;
dcal->dayLabelHeight = gdk_string_height(dcal->monthLabelFont, "S");
pango_layout_set_text(layout, "S", -1);
pango_layout_get_pixel_size(layout, NULL, &dcal->dayLabelHeight);
x = dcal->leftPadding
+ (i * (col_width(dcal)+COL_BORDER_SIZE))
@ -941,43 +899,58 @@ gnc_dense_cal_draw_to_buffer(GncDenseCal *dcal)
}
/* draw the day labels */
maxWidth = gdk_string_width(dcal->monthLabelFont, "88");
pango_layout_set_text(layout, "88", -1);
pango_layout_get_pixel_size(layout, &maxWidth, NULL);
if (dcal->x_scale > maxWidth)
{
for (j=0; j<7; j++)
{
gint dx = x
int day_label_width;
gint label_x_offset, label_y_offset;
pango_layout_set_text(layout, day_label(j), -1);
pango_layout_get_pixel_size(layout, &day_label_width, NULL);
label_x_offset = x
+ (j * day_width(dcal))
+ (day_width(dcal)/2)
- (gdk_string_width(dcal->monthLabelFont,
day_label(j)) / 2);
gint dy = y - 2;
gdk_draw_string(dcal->drawbuf,
dcal->monthLabelFont,
widget->style->fg_gc[widget->state],
dx, dy, day_label(j));
- (day_label_width / 2);
label_y_offset = y - dcal->dayLabelHeight;
pango_layout_set_text(layout, day_label(j), -1);
gdk_draw_layout(GDK_DRAWABLE(dcal->drawbuf), widget->style->fg_gc[widget->state],
label_x_offset, label_y_offset,
layout);
}
}
}
/* Try some pixmap copying for the month labels. */
/* Month labels. */
{
gint i, idx;
gint i;
PangoMatrix matrix = PANGO_MATRIX_INIT;
pango_matrix_rotate(&matrix, 90.);
pango_context_set_matrix(gtk_widget_get_pango_context(GTK_WIDGET(dcal)), &matrix);
for (i=0; i<12; i++)
{
guint x, y, idx;
if (dcal->monthPositions[i].x == -1)
break;
idx = (dcal->month - 1 + i) % 12;
gdk_draw_drawable(GDK_DRAWABLE(dcal->drawbuf),
widget->style->fg_gc[widget->state],
GDK_DRAWABLE(dcal->monthLabels[idx]),
0, 0,
dcal->leftPadding
+ dcal->monthPositions[i].x,
dcal->monthPositions[i].y,
dcal->label_width, dcal->label_height);
pango_layout_set_text(layout, month_name(i), -1);
gdk_draw_layout(GDK_DRAWABLE(dcal->drawbuf),
widget->style->fg_gc[widget->state],
dcal->leftPadding + dcal->monthPositions[i].x,
dcal->monthPositions[i].y,
layout);
}
// reset rotation
pango_matrix_rotate(&matrix, -90.);
pango_context_set_matrix(gtk_widget_get_pango_context(GTK_WIDGET(dcal)), &matrix);
}
/* Try the per-day strings [dates] */
@ -996,16 +969,15 @@ gnc_dense_cal_draw_to_buffer(GncDenseCal *dcal)
doc_coords(dcal, doc, &x1, &y1, &x2, &y2);
memset(dayNumBuf, 0, 3);
snprintf(dayNumBuf, 3, "%d", g_date_get_day(&d));
numW = gdk_string_width(dcal->dayLabelFont, dayNumBuf);
numH = gdk_string_height(dcal->dayLabelFont, dayNumBuf);
pango_layout_set_text(layout, dayNumBuf, -1);
pango_layout_get_pixel_size(layout, &numW, &numH);
w = (x2 - x1)+1;
h = (y2 - y1)+1;
gdk_draw_string(dcal->drawbuf,
dcal->dayLabelFont,
gdk_draw_layout(GDK_DRAWABLE(dcal->drawbuf),
widget->style->fg_gc[widget->state],
x1 + (w/2) - (numW/2),
y1 + (h/2) + (numH/2),
dayNumBuf);
y1 + (h/2) - (numH/2),
layout);
}
}
@ -1272,7 +1244,6 @@ month_coords(GncDenseCal *dcal, int monthOfCal, GList **outList)
startD = g_date_new();
endD = g_date_new();
// FIXME: clean these up?
/* Calculate the number of weeks in the column before the month we're
* interested in. */
@ -1371,6 +1342,9 @@ month_coords(GncDenseCal *dcal, int monthOfCal, GList **outList)
*outList = g_list_append(*outList, (gpointer)rect);
rect = NULL;
}
g_date_free(startD);
g_date_free(endD);
}
/* FIXME: make this more like month_coords */

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@ -80,16 +80,10 @@ struct _GncDenseCal
gint leftPadding;
gint topPadding;
gboolean needInitMonthLabels;
gdc_month_coords monthPositions[12];
GdkFont *monthLabelFont;
GdkFont *dayLabelFont;
GdkPixmap *monthLabels[12];
GdkColor weekColors[MAX_COLORS];
guint label_lbearing;
guint label_ascent;
guint label_width;
guint label_height;
guint dayLabelHeight;