From 5c93ebcb8c79f644a6e670732ad2e7e403b74636 Mon Sep 17 00:00:00 2001
From: Moritz Lipp <mlq@pwmt.org>
Date: Wed, 8 Feb 2012 21:02:07 +0100
Subject: [PATCH] Add numeric prefix to sc_zoom

One can zoom to a specific zoom value (between 10% and 1000%) by passing a
number before the = sign

Fixes: #105
---
 config.c    |  2 ++
 shortcuts.c | 13 ++++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/config.c b/config.c
index ec6f8ba..0630b0b 100644
--- a/config.c
+++ b/config.c
@@ -132,6 +132,8 @@ config_load_default(zathura_t* zathura)
   girara_shortcut_add(gsession, 0,                0,              "zO", sc_zoom,                     FULLSCREEN, ZOOM_OUT,        NULL);
   girara_shortcut_add(gsession, 0,                0,              "z0", sc_zoom,                     NORMAL,     ZOOM_ORIGINAL,   NULL);
   girara_shortcut_add(gsession, 0,                0,              "z0", sc_zoom,                     FULLSCREEN, ZOOM_ORIGINAL,   NULL);
+  girara_shortcut_add(gsession, 0,                GDK_equal,      NULL, sc_zoom,                     NORMAL,     ZOOM_SPECIFIC,   NULL);
+  girara_shortcut_add(gsession, 0,                GDK_equal,      NULL, sc_zoom,                     FULLSCREEN, ZOOM_SPECIFIC,   NULL);
 
   /* mouse events */
   girara_mouse_event_add(gsession, 0, 0,                sc_mouse_scroll, NORMAL,     0, NULL);
diff --git a/shortcuts.c b/shortcuts.c
index b480805..7a6b7dd 100644
--- a/shortcuts.c
+++ b/shortcuts.c
@@ -728,7 +728,7 @@ sc_quit(girara_session_t* session, girara_argument_t* UNUSED(argument),
 
 bool
 sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
-    UNUSED(event), unsigned int UNUSED(t))
+    UNUSED(event), unsigned int t)
 {
   g_return_val_if_fail(session != NULL, false);
   g_return_val_if_fail(session->global.data != NULL, false);
@@ -742,14 +742,25 @@ sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_event_t*
 
   float zoom_step = value / 100.0f;
 
+  /* specify new zoom value */
   if (argument->n == ZOOM_IN) {
     zathura->document->scale += zoom_step;
   } else if (argument->n == ZOOM_OUT) {
     zathura->document->scale -= zoom_step;
+  } else if (argument->n == ZOOM_SPECIFIC) {
+    fprintf(stderr, "t: %d\n", t);
+    zathura->document->scale = t / 100.0f;
   } else {
     zathura->document->scale = 1.0;
   }
 
+  /* zoom limitations */
+  if (zathura->document->scale < 0.1f) {
+    zathura->document->scale = 0.1f;
+  } else if (zathura->document->scale > 10.0f) {
+    zathura->document->scale = 10.0f;
+  }
+
   render_all(zathura);
 
   return false;