{"id":204685,"date":"2025-05-29T15:59:02","date_gmt":"2025-05-29T07:59:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204685\/"},"modified":"2025-05-29T15:59:02","modified_gmt":"2025-05-29T07:59:02","slug":"qt-%e7%aa%97%e5%8f%a3%e5%9c%a8-mousemoveevent-%e4%ba%8b%e4%bb%b6%e4%b8%ad%e5%b4%a9%e6%ba%83%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88-mwindow-%e5%af%b9%e8%b1%a1%e6%b2%a1%e6%9c%89-mouse_x-%e5%b1%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204685\/","title":{"rendered":"Qt \u7a97\u53e3\u5728 mouseMoveEvent \u4e8b\u4ef6\u4e2d\u5d29\u6e83\uff1a\u4e3a\u4ec0\u4e48 &#8220;Mwindow&#8221; \u5bf9\u8c61\u6ca1\u6709 &#8220;mouse_x&#8221; \u5c5e\u6027\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Qt \u7a97\u53e3\u5728 mouseMoveEvent \u4e8b\u4ef6\u4e2d\u5d29\u6e83\uff1a\u4e3a\u4ec0\u4e48 &#8220;Mwindow&#8221; \u5bf9\u8c61\u6ca1\u6709 &#8220;mouse_x&#8221; \u5c5e\u6027\uff1f<\/h1>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aQt \u7a97\u53e3\u5728 mouseMoveEvent \u4e8b\u4ef6\u4e2d\u5d29\u6e83\uff1a\u4e3a\u4ec0\u4e48 &#8220;Mwindow&#8221; \u5bf9\u8c61\u6ca1\u6709 &#8220;mouse_x&#8221; \u5c5e\u6027\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/173147404967343281309a6.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>mousemoveevent\u4e2d\u83ab\u540d\u5176\u5999\u7684\u5d29\u6e83<\/strong><\/p>\n<p>\u5728\u7ed9\u5b9a\u7684\u4ee3\u7801\u4e2d\uff0c\u5f53\u8fdb\u5165mousemoveevent\u4e8b\u4ef6\u540e\uff0c\u7a97\u53e3\u4f1a\u5d29\u6e83\uff0c\u8c03\u8bd5\u4fe1\u606f\u663e\u793a\uff1a&#8221;&#8216;mwindow&#8217; object has no attribute &#8216;mouse_x&#8217;\u3002&#8221;<\/p>\n<p><strong>\u95ee\u9898\u6839\u6e90<\/strong><\/p>\n<p>\u95ee\u9898\u6e90\u81eamousemoveevent\u4e8b\u4ef6\u4e2d\u5bf9self.mousex\u548cself.mousey\u53d8\u91cf\u7684\u4f7f\u7528\u3002\u5728mousepressevent\u4e8b\u4ef6\u4e2d\uff0c\u8fd9\u4e24\u4e2a\u53d8\u91cf\u88ab\u8d4b\u503c\u4e3a\u9f20\u6807\u6309\u4e0b\u65f6\u7684\u5168\u5c40\u4f4d\u7f6e\u3002\u7136\u800c\uff0c\u5728mousemoveevent\u4e8b\u4ef6\u4e2d\uff0c\u5982\u679cself.mousex\u548cself.mousey\u5728mousepressevent\u4e2d\u6ca1\u6709\u88ab\u6b63\u786e\u8d4b\u503c\uff0c\u5c31\u4f1a\u5bfc\u81f4\u5d29\u6e83\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u5728mousepressevent\u4e8b\u4ef6\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u5224\u65ad\uff0c\u4ee5\u786e\u4fddself.mousex\u548cself.mousey\u53d8\u91cf\u5728mousemoveevent\u4e8b\u4ef6\u89e6\u53d1\u4e4b\u524d\u88ab\u8d4b\u503c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728mousepressevent\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre>if evt.button() == Qt.LeftButton:\n    self.mousex = evt.globalX()\n    self.mousey = evt.globalY()<\/pre>\n<p>\u8fd9\u6837\uff0c\u53ea\u6709\u5728\u9f20\u6807\u5de6\u952e\u6309\u4e0b\u65f6\uff0c\u624d\u4f1a\u5c06self.mousex\u548cself.mousey\u53d8\u91cf\u8d4b\u503c\u4e3a\u9f20\u6807\u6309\u4e0b\u65f6\u7684\u5168\u5c40\u4f4d\u7f6e\u3002\u8fd9\u5c06\u9632\u6b62\u56e0\u672a\u8d4b\u503c\u800c\u5bfc\u81f4\u7684\u5d29\u6e83\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aQt \u7a97\u53e3\u5728 mouseMoveEvent \u4e8b\u4ef6\u4e2d\u5d29\u6e83\uff1a\u4e3a\u4ec0\u4e48 &#8220;Mwindow&#8221; 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