#include "display.h"
#include "display-gtk.h"
-static void show_text(cairo_t *cr, int size, double x, double y, const char *fmt, ...)
+/* Why doesn't pango/gtk have these quoting functions? */
+static inline int add_char(char *buffer, size_t size, int len, char c)
{
- va_list args;
- char buffer[256], *p;
-
- va_start(args, fmt);
- vsnprintf(buffer, sizeof(buffer), fmt, args);
- va_end(args);
-
- cairo_set_font_size(cr, size);
-
- p = buffer;
- do {
- char *n = strchr(p, '\n');
- if (n)
- *n++ = 0;
- cairo_move_to(cr, x, y);
- cairo_show_text(cr, p);
- p = n;
- y += size;
- } while (p);
+ if (len < size)
+ buffer[len++] = c;
+ return len;
+}
+
+/* Add an escape string "atomically" - all or nothing */
+static int add_str(char *buffer, size_t size, int len, const char *s)
+{
+ int oldlen = len;
+ char c;
+ while ((c = *s++) != 0) {
+ if (len >= size)
+ return oldlen;
+ buffer[len++] = c;
+ }
+ return len;
+}
+
+static int add_quoted_string(char *buffer, size_t size, int len, const char *s)
+{
+ if (!s)
+ return len;
+
+ /* Room for '\0' */
+ size--;
+ for (;;) {
+ const char *escape;
+ unsigned char c = *s++;
+ switch(c) {
+ default:
+ len = add_char(buffer, size, len, c);
+ continue;
+ case 0:
+ escape = "\n";
+ break;
+ case '&':
+ escape = "&";
+ break;
+ case '>':
+ escape = ">";
+ break;
+ case '<':
+ escape = "<";
+ break;
+ }
+ len = add_str(buffer, size, len, escape);
+ if (c)
+ continue;
+ buffer[len] = 0;
+ return len;
+ }
}
/*
* You know what? Maybe somebody can do a real Pango layout thing.
- *
- * I'm going to do this with the cairo engine instead. I can only learn so
- * many new interfaces.
+ * This is hacky.
*/
-static void show_dive_text(struct dive *dive, cairo_t *cr, double w, double h)
+static void show_dive_text(struct dive *dive, cairo_t *cr, double w, double h, PangoFontDescription *font)
{
+ int len;
+ PangoLayout *layout;
struct tm *tm;
+ char buffer[1024], divenr[20];
+
+ layout = pango_cairo_create_layout(cr);
+ pango_layout_set_font_description(layout, font);
+ pango_layout_set_width(layout, w * PANGO_SCALE);
+ pango_layout_set_height(layout, h * PANGO_SCALE * 0.9);
+ pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
+
+ *divenr = 0;
+ if (dive->number)
+ snprintf(divenr, sizeof(divenr), "Dive #%d - ", dive->number);
+
tm = gmtime(&dive->when);
- show_text(cr, 16, 0, 2, "Dive #%d - %s, %s %d, %d %d:%02d",
- dive->number,
+ len = snprintf(buffer, sizeof(buffer),
+ "<span size=\"large\">"
+ "%s%s, %s %d, %d %d:%02d"
+ "</span>\n",
+ divenr,
weekday(tm->tm_wday),
monthname(tm->tm_mon),
tm->tm_mday, tm->tm_year + 1900,
tm->tm_hour, tm->tm_min);
- show_text(cr, 10, w*0.6, 0,
- "Max depth: %d ft\nDuration: %d:%02d",
+ /*
+ * Leave an empty line even if no location: otherwise the notes can
+ * overrun the depth/duration information.
+ */
+ if (dive->location)
+ len = add_quoted_string(buffer, sizeof(buffer), len, dive->location);
+ else
+ len = add_char(buffer, sizeof(buffer), len, '\n');
+
+ if (dive->notes) {
+ len = add_char(buffer, sizeof(buffer), len, '\n');
+ len = add_quoted_string(buffer, sizeof(buffer), len, dive->notes);
+ }
+
+ pango_layout_set_justify(layout, 1);
+ pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
+ pango_layout_set_alignment(layout, PANGO_ALIGN_LEFT);
+ pango_layout_set_markup(layout, buffer, len);
+
+ cairo_move_to(cr, 0, 0);
+ pango_cairo_show_layout(cr, layout);
+
+ /*
+ * This is still problematic: a long dive location will clash
+ * with the depth/duration information. Need to mask that or
+ * create a box or something.
+ */
+ snprintf(buffer, sizeof(buffer),
+ "<span size=\"small\">"
+ "Max depth: %d ft\n"
+ "Duration: %d:%02d"
+ "</span>",
to_feet(dive->maxdepth),
dive->duration.seconds / 60,
dive->duration.seconds % 60);
- show_text(cr, 10, 0, 20, "%s", dive->location ?: "");
- show_text(cr, 10, 0, 30, "%s", dive->notes ?: "");
+ pango_layout_set_alignment(layout, PANGO_ALIGN_RIGHT);
+ pango_layout_set_markup(layout, buffer, -1);
+
+ cairo_move_to(cr, 0, 0);
+ pango_cairo_show_layout(cr, layout);
+
+ g_object_unref(layout);
}
static void show_dive_profile(struct dive *dive, cairo_t *cr, double w, double h)
.printer = 1,
.cr = cr
};
+ cairo_save(cr);
plot(&gc, w, h, dive);
+ cairo_restore(cr);
}
-static void print(int divenr, cairo_t *cr, double x, double y, double w, double h)
+static void print(int divenr, cairo_t *cr, double x, double y, double w, double h, PangoFontDescription *font)
{
struct dive *dive;
cairo_save(cr);
cairo_translate(cr, x, y);
+ /* Plus 5% on all sides */
+ cairo_translate(cr, w/20, h/20);
+ w *= 0.9; h *= 0.9;
+
/* We actually want to scale the text and the lines now */
cairo_scale(cr, 0.5, 0.5);
- /* Dive plot in the upper 75% - note the scaling */
- show_dive_profile(dive, cr, w*2, h*1.5);
+ /* Dive plot in the upper two thirds - note the scaling */
+ show_dive_profile(dive, cr, w*2, h*1.33);
+
+ /* Dive information in the lower third */
+ cairo_translate(cr, 0, h*1.33);
- /* Dive information in the lower 25% */
- cairo_translate(cr, 0, h*1.5);
- show_dive_text(dive, cr, w*2, h*0.5);
+ show_dive_text(dive, cr, w*2, h*0.67, font);
cairo_restore(cr);
}
int nr;
cairo_t *cr;
double w, h;
+ PangoFontDescription *font;
cr = gtk_print_context_get_cairo_context(context);
+ font = pango_font_description_from_string("Sans");
w = gtk_print_context_get_width(context)/2;
h = gtk_print_context_get_height(context)/3;
nr = page_nr*6;
- print(nr+0, cr, 0, 0, w, h);
- print(nr+1, cr, w, 0, w, h);
- print(nr+2, cr, 0, h, w, h);
- print(nr+3, cr, w, h, w, h);
- print(nr+2, cr, 0, 2*h, w, h);
- print(nr+3, cr, w, 2*h, w, h);
+ print(nr+0, cr, 0, 0, w, h, font);
+ print(nr+1, cr, w, 0, w, h, font);
+ print(nr+2, cr, 0, h, w, h, font);
+ print(nr+3, cr, w, h, w, h, font);
+ print(nr+4, cr, 0, 2*h, w, h, font);
+ print(nr+5, cr, w, 2*h, w, h, font);
+
+ pango_font_description_free(font);
}
static void begin_print(GtkPrintOperation *operation, gpointer user_data)
GtkPrintOperation *print;
GtkPrintOperationResult res;
+ repaint_dive();
print = gtk_print_operation_new();
if (settings != NULL)
gtk_print_operation_set_print_settings(print, settings);