Merge pull request #327 from atom/content-size

Provide ways to control window content's size

atom/browser/api/atom_api_window.cc

@@ -181,6 +181,18 @@ std::vector<int> Window::GetSize() {
   return result;
 }
 
+void Window::SetContentSize(int width, int height) {
+  window_->SetContentSize(gfx::Size(width, height));
+}
+
+std::vector<int> Window::GetContentSize() {
+  std::vector<int> result(2);
+  gfx::Size size = window_->GetContentSize();
+  result[0] = size.width();
+  result[1] = size.height();
+  return result;
+}
+
 void Window::SetMinimumSize(int width, int height) {
   window_->SetMinimumSize(gfx::Size(width, height));
 }
@@ -332,6 +344,8 @@ void Window::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("isFullScreen", &Window::IsFullscreen)
       .SetMethod("getSize", &Window::GetSize)
       .SetMethod("setSize", &Window::SetSize)
+      .SetMethod("getContentSize", &Window::GetContentSize)
+      .SetMethod("setContentSize", &Window::SetContentSize)
       .SetMethod("setMinimumSize", &Window::SetMinimumSize)
       .SetMethod("getMinimumSize", &Window::GetMinimumSize)
       .SetMethod("setMaximumSize", &Window::SetMaximumSize)

atom/browser/api/atom_api_window.h

@@ -73,6 +73,8 @@ class Window : public mate::EventEmitter,
   bool IsFullscreen();
   void SetSize(int width, int height);
   std::vector<int> GetSize();
+  void SetContentSize(int width, int height);
+  std::vector<int> GetContentSize();
   void SetMinimumSize(int width, int height);
   std::vector<int> GetMinimumSize();
   void SetMaximumSize(int width, int height);

atom/browser/default_app/default_app.js

@@ -14,13 +14,11 @@ app.on('window-all-closed', function() {
 app.on('ready', function() {
   app.commandLine.appendSwitch('js-flags', '--harmony_collections');
 
-  var height = 600;
-  if (process.platform == 'win32')
-    height += 60;
-  else if (process.platform == 'linux')
-    height += 30;
-
-  mainWindow = new BrowserWindow({ width: 800, height: height });
+  mainWindow = new BrowserWindow({
+    width: 800,
+    height: 600,
+    'use-content-size': true,
+  });
   mainWindow.loadUrl('file://' + __dirname + '/index.html');
 
   if (process.platform == 'darwin') {

atom/browser/native_window.h

@@ -111,6 +111,8 @@ class NativeWindow : public brightray::DefaultWebContentsDelegate,
   virtual bool IsFullscreen() = 0;
   virtual void SetSize(const gfx::Size& size) = 0;
   virtual gfx::Size GetSize() = 0;
+  virtual void SetContentSize(const gfx::Size& size) = 0;
+  virtual gfx::Size GetContentSize() = 0;
   virtual void SetMinimumSize(const gfx::Size& size) = 0;
   virtual gfx::Size GetMinimumSize() = 0;
   virtual void SetMaximumSize(const gfx::Size& size) = 0;

atom/browser/native_window_gtk.cc

@@ -114,8 +114,9 @@ NativeWindowGtk::NativeWindowGtk(content::WebContents* web_contents,
   options->GetInteger(switches::kWidth, &width);
   options->GetInteger(switches::kHeight, &height);
 
-  // Fixup the initial window size.
-  if (has_frame_)
+  bool use_content_size = false;
+  options->GetBoolean(switches::kUseContentSize, &use_content_size);
+  if (has_frame_ && !use_content_size)
     SubstractBorderSize(&width, &height);
 
   // Force a size allocation so the web page of hidden window can have correct
@@ -261,6 +262,24 @@ gfx::Size NativeWindowGtk::GetSize() {
   return gfx::Size(frame_extents.width, frame_extents.height);
 }
 
+void NativeWindowGtk::SetContentSize(const gfx::Size& size) {
+  if (!has_frame_ || !has_ever_been_shown_) {
+    gtk_window_util::SetWindowSize(window_, size);
+  } else {
+    gfx::Size large = GetSize();
+    gfx::Size small = GetContentSize();
+    gfx::Size target(size.width() + large.width() - small.width(),
+                     size.height() + large.height() - small.height());
+    gtk_window_util::SetWindowSize(window_, target);
+  }
+}
+
+gfx::Size NativeWindowGtk::GetContentSize() {
+  gint width, height;
+  gtk_window_get_size(window_, &width, &height);
+  return gfx::Size(width, height);
+}
+
 void NativeWindowGtk::SetMinimumSize(const gfx::Size& size) {
   minimum_size_ = size;
 

atom/browser/native_window_gtk.h

@@ -46,6 +46,8 @@ class NativeWindowGtk : public NativeWindow,
   virtual bool IsFullscreen() OVERRIDE;
   virtual void SetSize(const gfx::Size& size) OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
+  virtual void SetContentSize(const gfx::Size& size) OVERRIDE;
+  virtual gfx::Size GetContentSize() OVERRIDE;
   virtual void SetMinimumSize(const gfx::Size& size) OVERRIDE;
   virtual gfx::Size GetMinimumSize() OVERRIDE;
   virtual void SetMaximumSize(const gfx::Size& size) OVERRIDE;

atom/browser/native_window_mac.h

@@ -38,6 +38,8 @@ class NativeWindowMac : public NativeWindow {
   virtual bool IsFullscreen() OVERRIDE;
   virtual void SetSize(const gfx::Size& size) OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
+  virtual void SetContentSize(const gfx::Size& size) OVERRIDE;
+  virtual gfx::Size GetContentSize() OVERRIDE;
   virtual void SetMinimumSize(const gfx::Size& size) OVERRIDE;
   virtual gfx::Size GetMinimumSize() OVERRIDE;
   virtual void SetMaximumSize(const gfx::Size& size) OVERRIDE;

atom/browser/native_window_mac.mm

@@ -6,18 +6,18 @@
 
 #include <string>
 
+#import "atom/browser/ui/cocoa/event_processing_window.h"
+#include "atom/common/draggable_region.h"
+#include "atom/common/options_switches.h"
 #include "base/mac/mac_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/values.h"
-#import "atom/browser/ui/cocoa/event_processing_window.h"
-#include "brightray/browser/inspectable_web_contents.h"
-#include "brightray/browser/inspectable_web_contents_view.h"
-#include "atom/common/draggable_region.h"
-#include "atom/common/options_switches.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/public/browser/render_view_host.h"
+#include "vendor/brightray/browser/inspectable_web_contents.h"
+#include "vendor/brightray/browser/inspectable_web_contents_view.h"
 
 static const CGFloat kAtomWindowCornerRadius = 4.0;
 
@@ -179,6 +179,12 @@ NativeWindowMac::NativeWindowMac(content::WebContents* web_contents,
   // We will manage window's lifetime ourselves.
   [window_ setReleasedWhenClosed:NO];
 
+  // On OS X the initial window size doesn't include window frame.
+  bool use_content_size = false;
+  options->GetBoolean(switches::kUseContentSize, &use_content_size);
+  if (has_frame_ && !use_content_size)
+    SetSize(gfx::Size(width, height));
+
   // Enable the NSView to accept first mouse event.
   bool acceptsFirstMouse = false;
   options->GetBoolean(switches::kAcceptFirstMouse, &acceptsFirstMouse);
@@ -299,6 +305,24 @@ gfx::Size NativeWindowMac::GetSize() {
   return gfx::Size(frame.size.width, frame.size.height);
 }
 
+void NativeWindowMac::SetContentSize(const gfx::Size& size) {
+  NSRect frame_nsrect = [window_ frame];
+  NSSize frame = frame_nsrect.size;
+  NSSize content = [window_ contentRectForFrameRect:frame_nsrect].size;
+
+  int width = size.width() + frame.width - content.width;
+  int height = size.height() + frame.height - content.height;
+  frame_nsrect.origin.y -= height - frame_nsrect.size.height;
+  frame_nsrect.size.width = width;
+  frame_nsrect.size.height = height;
+  [window_ setFrame:frame_nsrect display:YES];
+}
+
+gfx::Size NativeWindowMac::GetContentSize() {
+  NSRect bounds = [[window_ contentView] bounds];
+  return gfx::Size(bounds.size.width, bounds.size.height);
+}
+
 void NativeWindowMac::SetMinimumSize(const gfx::Size& size) {
   NSSize min_size = NSMakeSize(size.width(), size.height());
   NSView* content = [window_ contentView];

atom/browser/native_window_win.cc

@@ -203,6 +203,7 @@ NativeWindowWin::NativeWindowWin(content::WebContents* web_contents,
     : NativeWindow(web_contents, options),
       window_(new views::Widget),
       web_view_(new views::WebView(NULL)),
+      use_content_size_(false),
       resizable_(true) {
   views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
   params.delegate = this;
@@ -217,8 +218,11 @@ NativeWindowWin::NativeWindowWin(content::WebContents* web_contents,
   options->GetInteger(switches::kHeight, &height);
 
   gfx::Size size(width, height);
-  window_->CenterWindow(size);
+  options->GetBoolean(switches::kUseContentSize, &use_content_size_);
+  if (has_frame_ && use_content_size_)
+    ClientAreaSizeToWindowSize(&size);
 
+  window_->CenterWindow(size);
   window_->UpdateWindowIcon();
 
   web_view_->SetWebContents(web_contents);
@@ -295,6 +299,16 @@ gfx::Size NativeWindowWin::GetSize() {
   return window_->GetWindowBoundsInScreen().size();
 }
 
+void NativeWindowWin::SetContentSize(const gfx::Size& size) {
+  gfx::Size resized(size);
+  ClientAreaSizeToWindowSize(&resized);
+  SetSize(resized);
+}
+
+gfx::Size NativeWindowWin::GetContentSize() {
+  return window_->GetClientAreaBoundsInScreen().size();
+}
+
 void NativeWindowWin::SetMinimumSize(const gfx::Size& size) {
   minimum_size_ = size;
 }
@@ -374,6 +388,13 @@ void NativeWindowWin::SetMenu(ui::MenuModel* menu_model) {
   menu_.reset(new atom::Menu2(menu_model, true));
   ::SetMenu(GetNativeWindow(), menu_->GetNativeMenu());
   RegisterAccelerators();
+
+  // Resize the window so SetMenu won't change client area size.
+  if (use_content_size_) {
+    gfx::Size size = GetSize();
+    size.set_height(size.height() + GetSystemMetrics(SM_CYMENU));
+    SetSize(size);
+  }
 }
 
 void NativeWindowWin::UpdateDraggableRegions(
@@ -492,6 +513,13 @@ views::NonClientFrameView* NativeWindowWin::CreateNonClientFrameView(
   return new NativeWindowFramelessView(widget, this);
 }
 
+void NativeWindowWin::ClientAreaSizeToWindowSize(gfx::Size* size) {
+  gfx::Size window = window_->GetWindowBoundsInScreen().size();
+  gfx::Size client = window_->GetClientAreaBoundsInScreen().size();
+  size->set_width(size->width() + window.width() - client.width());
+  size->set_height(size->height() + window.height() - client.height());
+}
+
 void NativeWindowWin::OnViewWasResized() {
   // Set the window shape of the RWHV.
   gfx::Size sz = web_view_->size();

atom/browser/native_window_win.h

@@ -53,6 +53,8 @@ class NativeWindowWin : public NativeWindow,
   virtual bool IsFullscreen() OVERRIDE;
   virtual void SetSize(const gfx::Size& size) OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
+  virtual void SetContentSize(const gfx::Size& size) OVERRIDE;
+  virtual gfx::Size GetContentSize() OVERRIDE;
   virtual void SetMinimumSize(const gfx::Size& size) OVERRIDE;
   virtual gfx::Size GetMinimumSize() OVERRIDE;
   virtual void SetMaximumSize(const gfx::Size& size) OVERRIDE;
@@ -113,6 +115,8 @@ class NativeWindowWin : public NativeWindow,
   typedef struct { int position; ui::MenuModel* model; } MenuItem;
   typedef std::map<ui::Accelerator, MenuItem> AcceleratorTable;
 
+  void ClientAreaSizeToWindowSize(gfx::Size* size);
+
   void OnViewWasResized();
 
   // Register accelerators supported by the menu model.
@@ -129,6 +133,8 @@ class NativeWindowWin : public NativeWindow,
 
   scoped_ptr<SkRegion> draggable_region_;
 
+  bool use_content_size_;
+
   bool resizable_;
   string16 title_;
   gfx::Size minimum_size_;

atom/common/options_switches.cc

@@ -36,6 +36,9 @@ const char kNodeIntegration[] = "node-integration";
 // Enable the NSView to accept first mouse event.
 const char kAcceptFirstMouse[] = "accept-first-mouse";
 
+// Whether window size should include window frame.
+const char kUseContentSize[] = "use-content-size";
+
 }  // namespace switches
 
 }  // namespace atom

atom/common/options_switches.h

@@ -28,6 +28,7 @@ extern const char kKiosk[];
 extern const char kAlwaysOnTop[];
 extern const char kNodeIntegration[];
 extern const char kAcceptFirstMouse[];
+extern const char kUseContentSize[];
 
 }  // namespace switches
 

docs/api/browser-window.md

@@ -28,13 +28,19 @@ You can also create a window without chrome by using
 * `options` Object
   * `x` Integer - Window's left offset to screen
   * `y` Integer - Window's top offset to screen
+  * `width` Integer - Window's width
+  * `height` Integer - Window's height
+  * `use-content-size` Boolean - The `width` and `height` would be used as web
+     page's size, which means the actual window's size will include window
+     frame's size and be slightly larger.
   * `center` Boolean - Show window in the center of the screen
   * `min-width` Integer - Minimum width
   * `min-height` Integer - Minimum height
   * `max-width` Integer - Maximum width
   * `max-height` Integer - Maximum height
   * `resizable` Boolean - Whether window is resizable
-  * `always-on-top` Boolean - Whether the window should always stay on top of other windows
+  * `always-on-top` Boolean - Whether the window should always stay on top of
+     other windows
   * `fullscreen` Boolean - Whether the window should show in fullscreen
   * `kiosk` Boolean - The kiosk mode
   * `title` String - Default window title
@@ -223,6 +229,17 @@ Resizes the window to `width` and `height`.
 
 Returns an array that contains window's width and height.
 
+### BrowserWindow.setContentSize(width, height)
+
+* `width` Integer
+* `height` Integer
+
+Resizes the window's client area (e.g. the web page) to `width` and `height`.
+
+### BrowserWindow.getContentSize()
+
+Returns an array that contains window's client area's width and height.
+
 ### BrowserWindow.setMinimumSize(width, height)
 
 * `width` Integer

spec/api-browser-window-spec.coffee

@@ -11,7 +11,7 @@ describe 'browser-window module', ->
   w = null
   beforeEach ->
     w.destroy() if w?
-    w = new BrowserWindow(show: false)
+    w = new BrowserWindow(show: false, width: 400, height: 400)
   afterEach ->
     w.destroy() if w?
     w = null
@@ -68,6 +68,44 @@ describe 'browser-window module', ->
         assert.equal image.constructor.name, 'Buffer'
         done()
 
+  describe 'BrowserWindow.setSize(width, height)', ->
+    it 'sets the window size', ->
+      # No way to reliably set size when window has not been shown on Linux.
+      return if process.platform is 'linux'
+
+      size = [400, 400]
+      w.setSize size[0], size[1]
+      after = w.getSize()
+      assert.equal after[0], size[0]
+      assert.equal after[1], size[1]
+
+  describe 'BrowserWindow.setContentSize(width, height)', ->
+    it 'sets the content size', ->
+      # No way to reliably set size when window has not been shown on Linux.
+      return if process.platform is 'linux'
+
+      size = [400, 400]
+      w.setContentSize size[0], size[1]
+      after = w.getContentSize()
+      assert.equal after[0], size[0]
+      assert.equal after[1], size[1]
+
+  describe '"use-content-size" option', ->
+    it 'make window created with content size when used', ->
+      w.destroy()
+      w = new BrowserWindow(show: false, width: 400, height: 400, 'use-content-size': true)
+      contentSize = w.getContentSize()
+      assert.equal contentSize[0], 400
+      assert.equal contentSize[1], 400
+
+    it 'make window created with window size when not used', ->
+      # No way to reliably set size when window has not been shown on Linux.
+      return if process.platform is 'linux'
+
+      contentSize = w.getSize()
+      assert.equal contentSize[0], 400
+      assert.equal contentSize[1], 400
+
   describe 'beforeunload handler', ->
     it 'returning true would not prevent close', (done) ->
       w.on 'closed', ->