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-rw-r--r--print.c95
1 files changed, 67 insertions, 28 deletions
diff --git a/print.c b/print.c
index d9e9bc884..2ccab9b4d 100644
--- a/print.c
+++ b/print.c
@@ -13,6 +13,10 @@
#define FONT_LARGE (FONT_NORMAL * 1.2)
static double rel_width[] = { 0.333, 1.166, 0.5, 0.5, 1.0, 1.0, 1.8 };
+static int last_page_paginated, last_dive_paginated;
+/* dynamically growing array of the first dive to be printed on each
+ * page in table mode */
+static int *first_dive;
static struct options print_options;
@@ -504,7 +508,7 @@ static void show_table_header(cairo_t *cr, PangoLayout *layout, double w)
}
static int show_table_cell(int i, cairo_t *cr, PangoLayout *layout, double colwidth, int height_count,
- char *buffer, int len, double *curwidth, double y)
+ char *buffer, int len, double *curwidth, double y, gboolean paginate)
{
PangoRectangle logic_ext;
double inner_colwidth = 0.95 * colwidth;
@@ -512,7 +516,8 @@ static int show_table_cell(int i, cairo_t *cr, PangoLayout *layout, double colwi
pango_layout_set_width(layout, inner_colwidth * rel_width[i]);
pango_layout_set_text(layout, buffer, len);
pango_layout_set_justify(layout, 0);
- pango_cairo_show_layout(cr, layout);
+ if (!paginate)
+ pango_cairo_show_layout(cr, layout);
*curwidth += colwidth * rel_width[i];
pango_layout_get_extents(layout, NULL, &logic_ext);
if (logic_ext.height > height_count)
@@ -520,7 +525,7 @@ static int show_table_cell(int i, cairo_t *cr, PangoLayout *layout, double colwi
return height_count;
}
-static int show_dive_table(struct dive *dive, cairo_t *cr, PangoLayout *layout, double w, double dy)
+static int show_dive_table(struct dive *dive, cairo_t *cr, PangoLayout *layout, double w, double dy, gboolean paginate)
{
double depth;
const char *unit;
@@ -539,7 +544,7 @@ static int show_dive_table(struct dive *dive, cairo_t *cr, PangoLayout *layout,
len = 0;
if (dive->number)
len = snprintf(buffer, sizeof(buffer), "#%d", dive->number);
- height_count = show_table_cell(0, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy);
+ height_count = show_table_cell(0, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy, paginate);
// Col 2: Date # (1 + 1/6 of the regular width)
utc_mkdate(dive->when, &tm);
@@ -551,27 +556,27 @@ static int show_dive_table(struct dive *dive, cairo_t *cr, PangoLayout *layout,
tm.tm_mday, tm.tm_year + 1900,
tm.tm_hour, tm.tm_min
);
- height_count = show_table_cell(1, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy);
+ height_count = show_table_cell(1, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy, paginate);
// Col 3: Depth (1/2 width)
depth = get_depth_units(dive->maxdepth.mm, &decimals, &unit);
len = snprintf(buffer, sizeof(buffer),
"%.*f %s", decimals, depth, unit);
- height_count = show_table_cell(2, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy);
+ height_count = show_table_cell(2, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy, paginate);
// Col 4: Duration (1/2 width)
len = snprintf(buffer, sizeof(buffer),
_("%d min"),(dive->duration.seconds + 59) / 60);
- height_count = show_table_cell(3, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy);
+ height_count = show_table_cell(3, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy, paginate);
// Col 5: Master
- height_count = show_table_cell(4, cr, layout, colwidth, height_count, dive->divemaster ? : "", -1, &curwidth, dy);
+ height_count = show_table_cell(4, cr, layout, colwidth, height_count, dive->divemaster ? : "", -1, &curwidth, dy, paginate);
// Col 6: Buddy
- height_count = show_table_cell(5, cr, layout, colwidth, height_count, dive->buddy ? : "", -1, &curwidth, dy);
+ height_count = show_table_cell(5, cr, layout, colwidth, height_count, dive->buddy ? : "", -1, &curwidth, dy, paginate);
// Col 7: Location
- height_count = show_table_cell(6, cr, layout, colwidth, height_count, dive->location ? : "", -1, &curwidth, dy);
+ height_count = show_table_cell(6, cr, layout, colwidth, height_count, dive->location ? : "", -1, &curwidth, dy, paginate);
/* Return the biggest column height, will be used to plot the frame and
* and translate the next row */
@@ -731,28 +736,33 @@ static void draw_page(GtkPrintOperation *operation,
pango_font_description_free(font);
}
-static void draw_table(GtkPrintOperation *operation,
- GtkPrintContext *context,
- gint page_nr,
- gpointer user_data)
+static void draw_table(GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data)
{
int i, nr, maxwidth, maxheight;
- int n_dive_per_page = 35;
cairo_t *cr;
- double w, h, max_ext, delta_y;
+ double w, h, max_ext, delta_y, y;
struct dive *dive;
PangoFontDescription *font;
PangoLayout *layout;
PangoRectangle logic_ext;
+ gboolean paginate = TRUE;
+ if (user_data) {
+ paginate = FALSE;
+ } else {
+ first_dive = realloc(first_dive, (page_nr + 1) * sizeof(int));
+ first_dive[page_nr] = last_dive_paginated + 1;
+ }
+ nr = first_dive[page_nr];
cr = gtk_print_context_get_cairo_context(context);
font = pango_font_description_from_string("Sans");
cairo_save(cr);
w = gtk_print_context_get_width(context);
- h = gtk_print_context_get_height(context)/(n_dive_per_page+1);
+ h = gtk_print_context_get_height(context);
maxwidth = w * PANGO_SCALE;
- maxheight = h * PANGO_SCALE * 0.9;
+ /* let's limit the height so we can fit at least 35 dives */
+ maxheight = h * PANGO_SCALE * 0.9 / 35;
layout = pango_cairo_create_layout(cr);
pango_layout_set_height(layout, maxheight);
@@ -763,9 +773,9 @@ static void draw_table(GtkPrintOperation *operation,
/* We actually want to scale the text and the lines now */
cairo_scale(cr, 0.5, 0.5);
- nr = page_nr*n_dive_per_page;
pango_layout_get_extents(layout, NULL, &logic_ext);
- cairo_translate (cr, w/10, 2 * logic_ext.height / (double) PANGO_SCALE);
+ cairo_translate (cr, w/10, 2.0 * logic_ext.height / PANGO_SCALE);
+ y = 2.0 * logic_ext.height / PANGO_SCALE;
show_table_header(cr, layout, w*2);
set_font(layout, font, FONT_NORMAL*1.2, PANGO_ALIGN_LEFT);
/* We wanted the header ellipsized but not the data */
@@ -774,19 +784,25 @@ static void draw_table(GtkPrintOperation *operation,
/* Get the height for an only line but move two down */
pango_layout_get_extents(layout, NULL, &logic_ext);
delta_y = logic_ext.height;
- cairo_translate (cr, 0, 2 * delta_y / (double) PANGO_SCALE);
-
- for (i = 0; i < n_dive_per_page; i++) {
+ cairo_translate (cr, 0, 2.0 * delta_y / PANGO_SCALE);
+ y += 2.0 * delta_y / PANGO_SCALE;
+ for (i = 0; i < dive_table.nr - nr; i++) {
dive = get_dive_for_printing(nr+i);
if (!dive)
- return;
+ break;
/* Write the dive data and get the max. height of the row */
- max_ext = show_dive_table(dive, cr, layout, w*2, delta_y / 4 / PANGO_SCALE);
+ max_ext = show_dive_table(dive, cr, layout, w*2, delta_y / 4 / PANGO_SCALE, paginate);
/* Draw a frame for each row */
- print_table_frame (cr, -0.05, 0, w, (max_ext + delta_y / 2) / PANGO_SCALE);
+ if (user_data)
+ print_table_frame (cr, -0.05, 0, w, (max_ext + delta_y / 2) / PANGO_SCALE);
/* and move down by the max. height of it */
cairo_translate (cr, 0, (max_ext + delta_y / 2) / PANGO_SCALE);
+ y += (max_ext + delta_y / 2) / PANGO_SCALE;
+ if (y > 1.9 * h)
+ break;
}
+ if (paginate)
+ last_dive_paginated += i + 1;
cairo_restore (cr);
pango_font_description_free(font);
g_object_unref (layout);
@@ -817,7 +833,8 @@ static void begin_print(GtkPrintOperation *operation, gpointer user_data)
} else if (print_options.type == TWOPERPAGE) {
dives_per_page = 2;
} else {
- dives_per_page = 35;
+ /* set it to one page - gets update during pagination */
+ dives_per_page = dives;
}
pages = (dives + dives_per_page - 1) / dives_per_page;
gtk_print_operation_set_n_pages(operation, pages);
@@ -896,6 +913,24 @@ static GtkWidget *print_dialog(GtkPrintOperation *operation, gpointer user_data)
return vbox;
}
+static gboolean paginate(GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
+{
+ draw_table(operation, context, last_page_paginated++, NULL);
+ if (last_dive_paginated >= dive_table.nr) {
+ return TRUE;
+ } else {
+ gtk_print_operation_set_n_pages(operation, last_page_paginated + 1);
+ return FALSE;
+ }
+}
+static void end_print(GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data)
+{
+ if (first_dive) {
+ free(first_dive);
+ first_dive = 0;
+ }
+}
+
static void print_dialog_apply(GtkPrintOperation *operation, GtkWidget *widget, gpointer user_data)
{
Print_params *print_params = g_slice_new(Print_params);
@@ -914,7 +949,11 @@ static void print_dialog_apply(GtkPrintOperation *operation, GtkWidget *widget,
print_params->rotation = 1;
g_signal_connect(operation, "draw_page", G_CALLBACK(draw_page), print_params);
} else {
- g_signal_connect(operation, "draw_page", G_CALLBACK(draw_table), NULL);
+ g_signal_connect(operation, "draw_page", G_CALLBACK(draw_table), print_params);
+ g_signal_connect(operation, "paginate", G_CALLBACK(paginate), NULL);
+ g_signal_connect(operation, "end_print", G_CALLBACK(end_print), NULL);
+ last_page_paginated = 0;
+ last_dive_paginated = -1;
}
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-29 18:04:43 +0000