QT5.8。自定义虚拟键盘包括

Question

我正在编写一个基于 QtVirtualKeyboard 的自定义虚拟键盘。对于我的项目，我需要能够使用我的键盘版本。

但我发现的唯一方法是重新编译项目并在我的 "qtvirtualkeyboardplugin.dll" 版本上替换 "mingw53_32\plugins\platforminputcontexts" 中的原始 "qtvirtualkeyboardplugin.dll"。并在main.cpp

中使用qputenv("QT_IM_MODULE", QByteArray("qtvirtualkeyboard"));函数

经过几个小时阅读文档并尝试各种方法后，我仍然找不到在不删除原始内容的情况下使用自定义键盘的方法 "qtvirtualkeyboardplugin.dll"。

Answer 1

我假设您已经分叉了代码，在这种情况下，以下修改似乎足以让一个不同名称的插件安装到 plugins/platforminputcontexts:

将 qtvirtualkeyboard/src/virtualkeyboard/qtvirtualkeyboard.json 重命名为 qtvirtualkeyboard/src/virtualkeyboard/customvirtualkeyboard.json。
在 customvirtualkeyboard.json 中，将 qtvirtualkeyboard 键重命名为 customvirtualkeyboard。
在qtvirtualkeyboard/src/virtualkeyboard/plugin.cpp中，将pluginName字符串的内容改为customvirtualkeyboard。
在 qtvirtualkeyboard/src/virtualkeyboard/plugin.h 中，将 FILE 字符串更改为 customvirtualkeyboard。
在src/virtualkeyboard/virtualkeyboard.pro中，将TARGET = qtvirtualkeyboardplugin更改为TARGET = customvirtualkeyboardplugin。这会影响您在 plugins/platforminputcontexts.

以下是 Git 差异的变化：

diff --git a/src/virtualkeyboard/customvirtualkeyboard.json b/src/virtualkeyboard/customvirtualkeyboard.json
new file mode 100644
index 0000000..9ef7a87
--- /dev/null
+++ b/src/virtualkeyboard/customvirtualkeyboard.json
@@ -0,0 +1,3 @@
+{
+    "Keys": [ "customvirtualkeyboard" ]
+}
diff --git a/src/virtualkeyboard/plugin.cpp b/src/virtualkeyboard/plugin.cpp
index 73ddeab..4abe9a4 100644
--- a/src/virtualkeyboard/plugin.cpp
+++ b/src/virtualkeyboard/plugin.cpp
@@ -76,7 +76,7 @@ using namespace QtVirtualKeyboard;

 Q_LOGGING_CATEGORY(qlcVirtualKeyboard, "qt.virtualkeyboard")

-static const char pluginName[] = "qtvirtualkeyboard";
+static const char pluginName[] = "customvirtualkeyboard";
 static const char inputMethodEnvVarName[] = "QT_IM_MODULE";
 static const char pluginUri[] = "QtQuick.VirtualKeyboard";
 static const char pluginSettingsUri[] = "QtQuick.VirtualKeyboard.Settings";
diff --git a/src/virtualkeyboard/plugin.h b/src/virtualkeyboard/plugin.h
index 08074d1..19593a4 100644
--- a/src/virtualkeyboard/plugin.h
+++ b/src/virtualkeyboard/plugin.h
@@ -38,7 +38,7 @@
 class QVirtualKeyboardPlugin : public QPlatformInputContextPlugin
 {
     Q_OBJECT
-    Q_PLUGIN_METADATA(IID QPlatformInputContextFactoryInterface_iid FILE "qtvirtualkeyboard.json")
+    Q_PLUGIN_METADATA(IID QPlatformInputContextFactoryInterface_iid FILE "customvirtualkeyboard.json")

 public:
     QStringList keys() const;
diff --git a/src/virtualkeyboard/qtvirtualkeyboard.json b/src/virtualkeyboard/qtvirtualkeyboard.json
deleted file mode 100644
index 76d1706..0000000
--- a/src/virtualkeyboard/qtvirtualkeyboard.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "Keys": [ "qtvirtualkeyboard" ]
-}
diff --git a/src/virtualkeyboard/virtualkeyboard.pro b/src/virtualkeyboard/virtualkeyboard.pro
index 4f3ca69..e9b0ff9 100644
--- a/src/virtualkeyboard/virtualkeyboard.pro
+++ b/src/virtualkeyboard/virtualkeyboard.pro
@@ -1,4 +1,4 @@
-TARGET  = qtvirtualkeyboardplugin
+TARGET  = customvirtualkeyboardplugin
 DATAPATH = $$[QT_INSTALL_DATA]/qtvirtualkeyboard

 QMAKE_DOCS = $$PWD/doc/qtvirtualkeyboard.qdocconf

请记住，如果您使用的是开源许可证，you have to make modifications to Qt code available to users of your application。

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