Change type of first-page-column to char* / TEXT

zathura/config.c

@@ -149,7 +149,7 @@ config_load_default(zathura_t* zathura)
   int_value = 1;
   girara_setting_add(gsession, "pages-per-row",         &int_value,   INT,    false, _("Number of pages per row"),  cb_page_layout_value_changed, NULL);
   int_value = 1;
-  girara_setting_add(gsession, "first-page-column",     &int_value,   INT,    false, _("Column of the first page"), cb_page_layout_value_changed, NULL);
+  girara_setting_add(gsession, "first-page-column",     "1:2",        STRING, false, _("Column of the first page"), cb_page_layout_value_changed, NULL);
   float_value = 40;
   girara_setting_add(gsession, "scroll-step",           &float_value, FLOAT,  false, _("Scroll step"),              NULL, NULL);
   float_value = 40;

zathura/database-plain.c

@@ -559,7 +559,7 @@ plain_set_fileinfo(zathura_database_t* db, const char* file, zathura_fileinfo_t*
   g_key_file_set_double (priv->history, name, KEY_SCALE,             file_info->scale);
   g_key_file_set_integer(priv->history, name, KEY_ROTATE,            file_info->rotation);
   g_key_file_set_integer(priv->history, name, KEY_PAGES_PER_ROW,     file_info->pages_per_row);
-  g_key_file_set_integer(priv->history, name, KEY_FIRST_PAGE_COLUMN, file_info->first_page_column);
+  g_key_file_set_string(priv->history, name, KEY_FIRST_PAGE_COLUMN,  file_info->first_page_column_list);
   g_key_file_set_double (priv->history, name, KEY_POSITION_X,        file_info->position_x);
   g_key_file_set_double (priv->history, name, KEY_POSITION_Y,        file_info->position_y);
   g_key_file_set_integer(priv->history, name, KEY_TIME,              time(NULL));
@@ -600,7 +600,7 @@ plain_get_fileinfo(zathura_database_t* db, const char* file, zathura_fileinfo_t*
     file_info->pages_per_row     = g_key_file_get_integer(priv->history, name, KEY_PAGES_PER_ROW, NULL);
   }
   if (g_key_file_has_key(priv->history, name, KEY_FIRST_PAGE_COLUMN, NULL) == TRUE) {
-    file_info->first_page_column = g_key_file_get_integer(priv->history, name, KEY_FIRST_PAGE_COLUMN, NULL);
+    file_info->first_page_column_list = g_key_file_get_string(priv->history, name, KEY_FIRST_PAGE_COLUMN, NULL);
   }
   if (g_key_file_has_key(priv->history, name, KEY_POSITION_X, NULL) == TRUE) {
     file_info->position_x        = g_key_file_get_double(priv->history, name, KEY_POSITION_X, NULL);

zathura/database-sqlite.c

@@ -5,6 +5,7 @@
 #include <girara/datastructures.h>
 #include <girara/input-history.h>
 #include <string.h>
+#include <strings.h>
 
 #include "database-sqlite.h"
 #include "utils.h"
@@ -17,6 +18,7 @@ G_DEFINE_TYPE_WITH_CODE(ZathuraSQLDatabase, zathura_sqldatabase, G_TYPE_OBJECT,
                         G_IMPLEMENT_INTERFACE(GIRARA_TYPE_INPUT_HISTORY_IO, io_interface_init))
 
 static bool           check_column(sqlite3* session, const char* table, const char* col, bool* result);
+static bool           check_column_type(sqlite3* session, const char* table, const char* col, const char* type, bool* result);
 static void           sqlite_finalize(GObject* object);
 static bool           sqlite_add_bookmark(zathura_database_t* db, const char* file, zathura_bookmark_t* bookmark);
 static bool           sqlite_remove_bookmark(zathura_database_t* db, const char* file, const char* id);
@@ -148,7 +150,7 @@ sqlite_db_init(ZathuraSQLDatabase* db, const char* path)
     "scale FLOAT,"
     "rotation INTEGER,"
     "pages_per_row INTEGER,"
-    "first_page_column INTEGER,"
+    "first_page_column TEXT,"
     "position_x FLOAT,"
     "position_y FLOAT,"
     "time TIMESTAMP"
@@ -176,9 +178,9 @@ sqlite_db_init(ZathuraSQLDatabase* db, const char* path)
 
   /* update fileinfo table (part 2) */
   static const char SQL_FILEINFO_ALTER2[] =
-    "ALTER TABLE fileinfo ADD COLUMN first_page_column INTEGER;";
+    "ALTER TABLE fileinfo ADD COLUMN first_page_column TEXT;";
 
-  /* update fileinfo table (part 2) */
+  /* update fileinfo table (part 3) */
   static const char SQL_FILEINFO_ALTER3[] =
     "ALTER TABLE fileinfo ADD COLUMN time TIMESTAMP;";
 
@@ -242,6 +244,37 @@ sqlite_db_init(ZathuraSQLDatabase* db, const char* path)
     }
   }
 
+  /* check existing tables for correct column types */
+  ret1 = check_column_type(session, "fileinfo", "first_page_column", "TEXT", &res1);
+
+  if (ret1 == true && res1 == false) {
+    girara_debug("old database table layout detected; updating ...");
+
+    /* prepare transaction */
+    char tx_begin[] = "BEGIN TRANSACTION;"
+                      "ALTER TABLE fileinfo RENAME TO tmp;";
+    char tx_end[] = "INSERT INTO fileinfo SELECT * FROM tmp;"
+                    "DROP TABLE tmp;"
+                    "COMMIT;";
+
+    /* calculate requred buffer size */
+    size_t tx_buffer_size = strlen(tx_begin);
+    tx_buffer_size += strlen(SQL_FILEINFO_INIT);
+    tx_buffer_size += strlen(tx_end);
+    ++tx_buffer_size;
+
+    /* assemble transaction */
+    char transaction[tx_buffer_size];
+    bzero(transaction, tx_buffer_size);
+    strcat(transaction, tx_begin);
+    strcat(transaction, SQL_FILEINFO_INIT);
+    strcat(transaction, tx_end);
+
+    if (sqlite3_exec(session, transaction, NULL, 0, NULL) != SQLITE_OK) {
+      girara_warning("failed to update database table layout");
+    }
+  }
+
   priv->session = session;
 }
 
@@ -318,6 +351,42 @@ check_column(sqlite3* session, const char* table, const char* col, bool* res)
   return true;
 }
 
+static bool
+check_column_type(sqlite3* session, const char* table, const char* col, const char* type, bool* res)
+{
+  /* we can't actually bind the argument with sqlite3_bind_text because
+   * sqlite3_prepare_v2 fails with "PRAGMA table_info(?);" */
+  char* query = sqlite3_mprintf("PRAGMA table_info(%Q);", table);
+  if (query == NULL) {
+    return false;
+  }
+
+  sqlite3_stmt* stmt = prepare_statement(session, query);
+  if (stmt == NULL) {
+    return false;
+  }
+
+  *res = false;
+
+  while (sqlite3_step(stmt) == SQLITE_ROW) {
+    if (strcmp((const char*) sqlite3_column_text(stmt, 1), col) == 0) {
+      if (strcmp((const char*) sqlite3_column_text(stmt, 2), type) == 0) {
+        *res = true;
+        break;
+      }
+    }
+  }
+
+  if (*res == false) {
+    girara_debug("column %s in table %s has wrong type", col, table);
+  }
+
+  sqlite3_finalize(stmt);
+  sqlite3_free(query);
+
+  return true;
+}
+
 static bool
 sqlite_add_bookmark(zathura_database_t* db, const char* file,
                     zathura_bookmark_t* bookmark)
@@ -587,7 +656,8 @@ sqlite_set_fileinfo(zathura_database_t* db, const char* file,
       sqlite3_bind_double(stmt, 4, file_info->scale)             != SQLITE_OK ||
       sqlite3_bind_int(stmt,    5, file_info->rotation)          != SQLITE_OK ||
       sqlite3_bind_int(stmt,    6, file_info->pages_per_row)     != SQLITE_OK ||
-      sqlite3_bind_int(stmt,    7, file_info->first_page_column) != SQLITE_OK ||
+      sqlite3_bind_text(stmt,   7, file_info->first_page_column_list, -1, NULL)
+                                                                 != SQLITE_OK ||
       sqlite3_bind_double(stmt, 8, file_info->position_x)        != SQLITE_OK ||
       sqlite3_bind_double(stmt, 9, file_info->position_y)        != SQLITE_OK) {
     sqlite3_finalize(stmt);
@@ -636,7 +706,7 @@ sqlite_get_fileinfo(zathura_database_t* db, const char* file,
   file_info->scale                  = sqlite3_column_double(stmt, 2);
   file_info->rotation               = sqlite3_column_int(stmt, 3);
   file_info->pages_per_row          = sqlite3_column_int(stmt, 4);
-  file_info->first_page_column = sqlite3_column_int(stmt, 5);
+  file_info->first_page_column_list = g_strdup((const char*) sqlite3_column_text(stmt, 5));
   file_info->position_x             = sqlite3_column_double(stmt, 6);
   file_info->position_y             = sqlite3_column_double(stmt, 7);
 

zathura/database.h

@@ -15,7 +15,7 @@ typedef struct zathura_fileinfo_s {
   double scale;
   unsigned int rotation;
   unsigned int pages_per_row;
-  unsigned int first_page_column;
+  char* first_page_column_list;
   double position_x;
   double position_y;
 } zathura_fileinfo_t;

zathura/shortcuts.c

@@ -1286,7 +1286,7 @@ sc_toggle_presentation(girara_session_t* session, girara_argument_t*
   }
 
   static int pages_per_row = 1;
-  static int first_page_column = 1;
+  static char* first_page_column_list = "1:2";
   static double zoom = 1.0;
 
   const girara_mode_t old_mode = girara_mode_get(session);
@@ -1295,7 +1295,7 @@ sc_toggle_presentation(girara_session_t* session, girara_argument_t*
     girara_setting_set(session, "pages-per-row", &pages_per_row);
 
     /* reset first page column */
-    girara_setting_set(session, "first-page-column", &first_page_column);
+    girara_setting_set(session, "first-page-column", first_page_column_list);
 
     /* show status bar */
     gtk_widget_show(GTK_WIDGET(session->gtk.statusbar));
@@ -1315,7 +1315,8 @@ sc_toggle_presentation(girara_session_t* session, girara_argument_t*
     girara_setting_get(session, "pages-per-row", &pages_per_row);
 
     /* backup first page column */
-    girara_setting_get(session, "first-page-column", &first_page_column);
+    g_free(first_page_column_list);
+    girara_setting_get(session, "first-page-column", &first_page_column_list);
 
     /* set single view */
     int int_value = 1;

zathura/zathura.c

@@ -7,6 +7,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <math.h>
+#include <string.h>
 
 #include <girara/datastructures.h>
 #include <girara/utils.h>
@@ -651,13 +652,14 @@ document_open(zathura_t* zathura, const char* path, const char* password,
   }
 
   /* read history file */
+  char first_page_column_list_default[] = "1:2";
   zathura_fileinfo_t file_info = {
     .current_page = 0,
     .page_offset = 0,
     .scale = 1,
     .rotation = 0,
     .pages_per_row = 0,
-    .first_page_column = 0,
+    .first_page_column_list = first_page_column_list_default,
     .position_x = 0,
     .position_y = 0
   };
@@ -856,6 +858,7 @@ document_open(zathura_t* zathura, const char* path, const char* password,
   /* view mode */
   unsigned int pages_per_row = 1;
   unsigned int first_page_column = 1;
+  char* first_page_column_list = first_page_column_list_default;
   unsigned int page_padding = 1;
 
   girara_setting_get(zathura->ui.session, "page-padding", &page_padding);
@@ -866,8 +869,9 @@ document_open(zathura_t* zathura, const char* path, const char* password,
     girara_setting_get(zathura->ui.session, "pages-per-row", &pages_per_row);
   }
 
-  if (file_info.first_page_column > 0) {
+  /* read first_page_column list */
-    first_page_column = file_info.first_page_column;
+  if (strcmp(file_info.first_page_column_list, "")) {
+    first_page_column_list = file_info.first_page_column_list;
   } else {
     girara_setting_get(zathura->ui.session, "first-page-column", &first_page_column);
   }
@@ -1072,14 +1076,14 @@ document_close(zathura_t* zathura, bool keep_monitor)
   /* store file information */
   const char* path = zathura_document_get_path(zathura->document);
 
-  zathura_fileinfo_t file_info = { 0, 0, 1, 0, 1, 1, 0, 0 };
+  zathura_fileinfo_t file_info = { 0, 0, 1, 0, 1, "1:2", 0, 0 };
   file_info.current_page = zathura_document_get_current_page_number(zathura->document);
   file_info.page_offset  = zathura_document_get_page_offset(zathura->document);
   file_info.scale        = zathura_document_get_scale(zathura->document);
   file_info.rotation     = zathura_document_get_rotation(zathura->document);
 
   girara_setting_get(zathura->ui.session, "pages-per-row", &(file_info.pages_per_row));
-  girara_setting_get(zathura->ui.session, "first-page-column", &(file_info.first_page_column));
+  girara_setting_get(zathura->ui.session, "first-page-column", &(file_info.first_page_column_list));
 
   /* get position */
   file_info.position_x = zathura_document_get_position_x(zathura->document);