Adds a paper size field to the properties dialog. Fixes bug #307315. Patch

[evince.git] / properties / ev-properties-view.c

diff --git a/properties/ev-properties-view.c b/properties/ev-properties-view.c
index fdf5cf7397b5dd6eb360fa929de91ba933af516b..98aecb564dc689b1fe424300d64b6bf2dba34500 100644 (file)
--- a/properties/ev-properties-view.c
+++ b/properties/ev-properties-view.c
@@ -31,6 +31,7 @@
 #include <time.h>
 #include <sys/time.h>
 #include <string.h>
+#include <langinfo.h>
 
 typedef enum
 {
@@ -45,7 +46,8 @@ typedef enum
        N_PAGES_PROPERTY,
        LINEARIZED_PROPERTY,
        FORMAT_PROPERTY,
-       SECURITY_PROPERTY
+       SECURITY_PROPERTY,
+       PAPER_SIZE_PROPERTY
 } Property;
 
 typedef struct
@@ -66,7 +68,8 @@ static const PropertyInfo properties_info[] = {
        { N_PAGES_PROPERTY, "pages" },
        { LINEARIZED_PROPERTY, "optimized" },
        { FORMAT_PROPERTY, "version" },
-       { SECURITY_PROPERTY, "security" }
+       { SECURITY_PROPERTY, "security" },
+       { PAPER_SIZE_PROPERTY, "papersize" }
 };
 
 struct _EvPropertiesView {
@@ -185,6 +188,106 @@ set_property (GladeXML *xml, Property property, const char *text)
        g_free (valid_text);
 }
 
+/*
+ * All values are in mm. 
+ * Source: http://en.wikipedia.org/wiki/Paper_size
+ */
+struct regular_paper_size {
+       double width;
+       double height;
+       double width_tolerance;
+       double height_tolerance;
+       const char *description;
+} const regular_paper_sizes[] = {
+       // ISO 216 paper sizes
+       {  841.0f, 1189.0f, 3.0f, 3.0f, "A0"  },
+       {  594.0f,  841.0f, 2.0f, 3.0f, "A1"  },
+       {  420.0f,  594.0f, 2.0f, 2.0f, "A2"  },
+       {  297.0f,  420.0f, 2.0f, 2.0f, "A3"  },
+       {  210.0f,  297.0f, 2.0f, 2.0f, "A4"  },
+       {  148.0f,  210.0f, 1.5f, 2.0f, "A5"  },
+       {  105.0f,  148.0f, 1.5f, 1.5f, "A6"  },
+       {   74.0f,  105.0f, 1.5f, 1.5f, "A7"  },
+       {   52.0f,   74.0f, 1.5f, 1.5f, "A8"  },
+       {   37.0f,   52.0f, 1.5f, 1.5f, "A9"  },
+       {   26.0f,   37.0f, 1.5f, 1.5f, "A10" },
+       { 1000.0f, 1414.0f, 3.0f, 3.0f, "B0"  },
+       {  707.0f, 1000.0f, 3.0f, 3.0f, "B1"  },
+       {  500.0f,  707.0f, 2.0f, 3.0f, "B2"  },
+       {  353.0f,  500.0f, 2.0f, 2.0f, "B3"  },
+       {  250.0f,  353.0f, 2.0f, 2.0f, "B4"  },
+       {  176.0f,  250.0f, 2.0f, 2.0f, "B5"  },
+       {  125.0f,  176.0f, 1.5f, 2.0f, "B6"  },
+       {   88.0f,  125.0f, 1.5f, 1.5f, "B7"  },
+       {   62.0f,   88.0f, 1.5f, 1.5f, "B8"  },
+       {   44.0f,   62.0f, 1.5f, 1.5f, "B9"  },
+       {   31.0f,   44.0f, 1.5f, 1.5f, "B10" },
+       {  917.0f, 1297.0f, 3.0f, 3.0f, "C0"  },
+       {  648.0f,  917.0f, 3.0f, 3.0f, "C1"  },
+       {  458.0f,  648.0f, 2.0f, 3.0f, "C2"  },
+       {  324.0f,  458.0f, 2.0f, 2.0f, "C3"  },
+       {  229.0f,  324.0f, 2.0f, 2.0f, "C4"  },
+       {  162.0f,  229.0f, 2.0f, 2.0f, "C5"  },
+       {  114.0f,  162.0f, 1.5f, 2.0f, "C6"  },
+       {   81.0f,  114.0f, 1.5f, 1.5f, "C7"  },
+       {   57.0f,   81.0f, 1.5f, 1.5f, "C8"  },
+       {   40.0f,   57.0f, 1.5f, 1.5f, "C9"  },
+       {   28.0f,   40.0f, 1.5f, 1.5f, "C10" },
+
+       // US paper sizes
+       {  279.0f,  216.0f, 3.0f, 3.0f, "Letter" },
+       {  356.0f,  216.0f, 3.0f, 3.0f, "Legal"  },
+       {  432.0f,  279.0f, 3.0f, 3.0f, "Ledger" }
+};
+
+static char *
+ev_regular_paper_size (const EvDocumentInfo *info)
+{
+       const struct regular_paper_size *size;   
+       char *exact_size = NULL;
+       char *imperial = NULL;
+       char *str = NULL;
+       int i;
+       
+        imperial = nl_langinfo(_NL_MEASUREMENT_MEASUREMENT);
+        if ( imperial && imperial[0] == 2 )
+               /* Imperial measurement (inches) */
+               exact_size = g_strdup_printf( _("%.2f x %.2f in"),
+                                             info->paper_width  / 25.4f,
+                                             info->paper_height / 25.4f );
+       else
+               /* Metric measurement (millimeters) */
+               exact_size = g_strdup_printf( _("%.0f x %.0f mm"),
+                                             info->paper_width,
+                                             info->paper_height );
+       
+       for (i = G_N_ELEMENTS ( regular_paper_sizes ) - 1; i >= 0; i--) {
+               size = &regular_paper_sizes[i];
+
+               if ( ABS( info->paper_height - size->height ) <= size->height_tolerance &&
+                    ABS( info->paper_width  - size->width  ) <= size->width_tolerance ) {
+                       /* Note to translators: first placeholder is the paper name (eg.
+                        * A4), second placeholder is the paper size (eg. 297x210 mm) */
+                       str = g_strdup_printf ( _("%s, Portrait (%s)"),
+                                               size->description,
+                                               exact_size );
+               } else if ( ABS( info->paper_width  - size->height ) <= size->height_tolerance &&
+                           ABS( info->paper_height - size->width  ) <= size->width_tolerance ) {
+                       /* Note to translators: first placeholder is the paper name (eg.
+                        * A4), second placeholder is the paper size (eg. 297x210 mm) */
+                       str = g_strdup_printf ( _("%s, Landscape (%s)"),
+                                               size->description,
+                                               exact_size );
+               }
+       }
+
+       if (str != NULL) {
+               g_free (exact_size);
+               return str;
+       } else
+               return exact_size;
+}
+
 void
 ev_properties_view_set_info (EvPropertiesView *properties, const EvDocumentInfo *info)
 {
@@ -235,6 +338,11 @@ ev_properties_view_set_info (EvPropertiesView *properties, const EvDocumentInfo
        if (info->fields_mask & EV_DOCUMENT_INFO_SECURITY) {
                set_property (xml, SECURITY_PROPERTY, info->security);
        }
+       if (info->fields_mask & EV_DOCUMENT_INFO_PAPER_SIZE) {
+               text = ev_regular_paper_size (info);
+               set_property (xml, PAPER_SIZE_PROPERTY, text);
+               g_free (text);
+       }
 }
 
 static void