File 0001-Handle-maximize-minimize-fullscreen-xdgshe... of Package libqt5-qtwayland

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File 0001-Handle-maximize-minimize-fullscreen-xdgshellv6.patch of Package libqt5-qtwayland (Revision bf5f89366616471cb75fe58888874e39)

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From da43d51dcbafc5fa1db245efd6737aa54c245afb Mon Sep 17 00:00:00 2001
From: Giulio Camuffo <giulio.camuffo@kdab.com>
Date: Sat, 1 Jul 2017 09:53:07 +0200
Subject: [PATCH] Handle maximize/minimize/fullscreen in xdg_shell_v6

Change-Id: I385eb3279d91f1c38d2f5d46bc63b324f0456ca4
---
 src/client/qwaylandwindow.cpp     |  6 +++-
 src/client/qwaylandxdgshellv6.cpp | 61 ++++++++++++++++++++++++++++++++++++---
 src/client/qwaylandxdgshellv6_p.h |  8 ++++-
 3 files changed, 69 insertions(+), 6 deletions(-)

diff --git a/src/client/qwaylandwindow.cpp b/src/client/qwaylandwindow.cpp
index d987081..9564bf9 100644
--- a/src/client/qwaylandwindow.cpp
+++ b/src/client/qwaylandwindow.cpp
@@ -971,7 +971,11 @@ bool QWaylandWindow::setWindowStateInternal(Qt::WindowState state)
     // As of february 2013 QWindow::setWindowState sets the new state value after
     // QPlatformWindow::setWindowState returns, so we cannot rely on QWindow::windowState
     // here. We use then this mState variable.
-    mState = state;
+    // NOTE: The compositor does not tell us when the window is not minimized anymore,
+    // so we store the state except for the WindowMinimized value, to make sure that
+    // the equality check above does not return true when setWindowState(Qt::WindowMinimized)
+    // is called, even though the window is actually not minimized anymore.
+    mState = static_cast<Qt::WindowState>(state & ~Qt::WindowMinimized);
 
     if (mShellSurface) {
         createDecoration();
diff --git a/src/client/qwaylandxdgshellv6.cpp b/src/client/qwaylandxdgshellv6.cpp
index 7473174..70da12c 100644
--- a/src/client/qwaylandxdgshellv6.cpp
+++ b/src/client/qwaylandxdgshellv6.cpp
@@ -56,6 +56,8 @@ QWaylandXdgSurfaceV6::Toplevel::Toplevel(QWaylandXdgSurfaceV6 *xdgSurface)
     : QtWayland::zxdg_toplevel_v6(xdgSurface->get_toplevel())
     , m_xdgSurface(xdgSurface)
 {
+    m_configureState.fullscreen = false;
+    m_configureState.maximized = false;
 }
 
 QWaylandXdgSurfaceV6::Toplevel::~Toplevel()
@@ -75,13 +77,35 @@ void QWaylandXdgSurfaceV6::Toplevel::zxdg_toplevel_v6_configure(int32_t width, i
     m_configureState.width = width;
     m_configureState.height = height;
 
+    bool wasMaximized = m_configureState.maximized;
+    bool wasFullscreen = m_configureState.fullscreen;
+
     uint32_t *state = reinterpret_cast<uint32_t *>(states->data);
     size_t numStates = states->size / sizeof(uint32_t);
-    m_configureState.states.reserve(numStates);
-    m_configureState.states.clear();
 
-    for (size_t i = 0; i < numStates; i++)
-        m_configureState.states << state[i];
+    m_configureState.fullscreen = false;
+    m_configureState.maximized = false;
+
+    for (size_t i = 0; i < numStates; i++) {
+        switch (state[i]) {
+            case ZXDG_TOPLEVEL_V6_STATE_MAXIMIZED:
+                m_configureState.maximized = true;
+                break;
+            case ZXDG_TOPLEVEL_V6_STATE_FULLSCREEN:
+                m_configureState.fullscreen = true;
+                break;
+            default:
+                break;
+        }
+    }
+
+    if ((!wasMaximized && m_configureState.maximized) || (!wasFullscreen && m_configureState.fullscreen))
+        m_normalSize = m_xdgSurface->m_window->window()->frameGeometry().size();
+
+    if ((width == 0 || height == 0) && !m_normalSize.isEmpty()) {
+        m_configureState.width = m_normalSize.width();
+        m_configureState.height = m_normalSize.height();
+    }
 }
 
 void QWaylandXdgSurfaceV6::Toplevel::zxdg_toplevel_v6_close()
@@ -231,6 +255,35 @@ void QWaylandXdgSurfaceV6::zxdg_surface_v6_configure(uint32_t serial)
     ack_configure(serial);
 }
 
+void QWaylandXdgSurfaceV6::setMaximized()
+{
+    if (m_toplevel)
+        m_toplevel->set_maximized();
+}
+
+void QWaylandXdgSurfaceV6::setFullscreen()
+{
+    if (m_toplevel)
+        m_toplevel->set_fullscreen(nullptr);
+}
+
+void QWaylandXdgSurfaceV6::setNormal()
+{
+    if (!m_toplevel)
+        return;
+
+    if (m_toplevel->m_configureState.maximized)
+        m_toplevel->unset_maximized();
+    if (m_toplevel->m_configureState.fullscreen)
+        m_toplevel->unset_fullscreen();
+}
+
+void QWaylandXdgSurfaceV6::setMinimized()
+{
+    if (m_toplevel)
+        m_toplevel->set_minimized();
+}
+
 
 
 QWaylandXdgShellV6::QWaylandXdgShellV6(struct ::wl_registry *registry, uint32_t id, uint32_t availableVersion)
diff --git a/src/client/qwaylandxdgshellv6_p.h b/src/client/qwaylandxdgshellv6_p.h
index 769f198..1acd8e0 100644
--- a/src/client/qwaylandxdgshellv6_p.h
+++ b/src/client/qwaylandxdgshellv6_p.h
@@ -88,6 +88,10 @@ public:
 
 protected:
     void zxdg_surface_v6_configure(uint32_t serial) override;
+    void setMaximized() override;
+    void setFullscreen() override;
+    void setNormal() override;
+    void setMinimized() override;
 
 private:
     class Toplevel: public QtWayland::zxdg_toplevel_v6
@@ -103,8 +107,10 @@ private:
 
         struct {
             int32_t width, height;
-            QVarLengthArray<uint32_t> states;
+            bool maximized;
+            bool fullscreen;
         } m_configureState;
+        QSize m_normalSize;
 
         QWaylandXdgSurfaceV6 *m_xdgSurface;
     };
-- 
2.7.4

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File 0001-Handle-maximize-minimize-fullscreen-xdgshellv6.patch of Package libqt5-qtwayland (Revision bf5f89366616471cb75fe58888874e39)

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