Qt5全栈GUI开发教程：构建跨平台现代应用

GUI
QML
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"《End to End GUI Development with Qt5, 1st edition》是一本深入指南，旨在帮助开发者利用强大的Qt5框架开发跨平台应用程序，实现现代化用户界面（GUI）设计。该书针对初学者和经验丰富的开发人员，分为三个部分，提供了一个系统的学习路径，覆盖了从入门到高级的主题。 本书内容涵盖了Qt5的核心概念、QML（Qt Markup Language）的使用，以及如何构建高效、可维护且兼容多种平台的应用程序。它引导读者从基础配置开始，逐步掌握创建窗口、控件、布局管理、事件处理、数据绑定等核心GUI开发技术。作者通过实例和实战项目，展示了如何将Qt5的潜力发挥到极致，以创建美观且功能丰富的用户界面。 作为第一版，它反映了Qt5在2018年的最新技术和最佳实践，适合那些希望在这个快速发展的领域保持竞争力的开发者。尽管书中信息力求准确，但读者应理解，由于软件和技术的不断演进，部分细节可能随着时间而有所变化。作者和Packt Publishing对版权和使用条件有严格的声明，确保知识产权得到尊重，并强调所有内容未经许可不得复制或传播。 《End to End GUI Development with Qt5, 1st edition》不仅是一本技术手册，也是一本实践指南，为读者提供了构建高质量GUI应用所需的全面知识，无论是在个人学习还是专业项目中，都能提供宝贵的参考和支持。"

Qt 5 Projects(2nd) epub

2018-05-15 上传
Qt 5 Projects(2nd) 英文epub 第2版 本资源转载自网络，如有侵权，请联系上传者或csdn删除 查看此书详细信息请在美国亚马逊官网搜索此书

End-to-End-GUI-development-with-Qt5:Packt发布的Qt5端到端GUI开发

2021-05-28 上传
Qt5端到端GUI开发 Packt发布的Qt5端到端GUI开发

End to End GUI development with Qt5 (epub)

2018-12-24 上传
End to End GUI Development with Qt5 （epub） Develop cross-platform applications with modern UIs using the powerful Qt framework A learning path in three sections

module test; typedef struct packed { logic [9:-1][2:0] a; ///REQ-EXT-10001, REQ-EXT-10004 logic [3:0] b; } ST1; typedef struct { ST1 st1; ST1 st2[2:0]; }ST2; initial begin ST2 st2; st2 = '{2'b01, '{3'b1, 3'b0, 12'b1},'{4'b0011,'{3'b1,3'b0,12'b0},'{3'b1,3'b0,12'b0}}; $display("st2 before:%0d '%h", st2.st2[0].b, st2.st2[]0.a; ST2 st3=st2; st3.st2[0].b =st3.st2[0].b+1; $display("st2 after:%d '%h, st3: %0d '%h, %0d '%h", st2.st2[0].b, st2.st2[0].a, st3.st2[0].b, st3.st2[0].a, st3.st2[1].b, st3.st2[1].a);//CHECK-001:'{a:'h1}, st2:'{'a:'h1}, '{a:'h0},'{a:h1}}} end endmodule how should I modify this piece of system verilog code so that it can be compiled successfully by vcs?

2023-06-10 上传
$display("st2 after:%d '%h', st3: %0d '%h, %0d '%h", st2.st2[0].b, st2.st2[0].a, st3.st2[0].b, st3.st2[0].a, st3.st2[1].b, st3.st2[1].a);//CHECK-001:'{a:'h1}, st2:'{'a:'h1}, '{a:'h0},'{a:h1}}} end ...

module test; typedef struct packed { logic [9:-1][2:0] a; ///REQ-EXT-10001, REQ-EXT-10004 } ST1; typedef struct { ST1 st1; ST1 st2[]; logic [7:0] b; //REQ-EXT-10002; }ST4 initial begin ST4 st4; st4.st1.a[0][0]=1; for (int i=0; i<5; i++) begin st4.st1.push_back(i+1); end st4_1.b = 8'hAA; $display("%", st2); //CHECK-001:'{a:'h1}, st2:'{'a:'h1}, '{a:'h0},'{a:h1}}} end endmodule when compiled by vcs, it reports 3 errors, the errors are: Error-[MFNF] Member not found sc_assignment_pattern_030.sv,29 "st4.st1." Could not find member 'push_back' in structure 'ST1', at "sc_assignment_pattern_030.sv",15. Error-[XMRE] Cross-module reference resolution error sc_assignment_pattern_030.sv,31 Error found while trying to resolve cross-module reference.token 'st4_1'. Originating module 'test'. Source info:st4_1.b = 8'haa; Error-[IND] Identifier 'st2' has not been declared yet. If this error is not expected, please check if you have set 'default_nettype to none. How should I fix these 3 errors so that this piece of system verilog code can be compiled succeessfully by vcs? thanks a lot

2023-06-08 上传
To fix this error, you need to change the code to use 'st4' instead of 'st4_1': ``` ST4 st4; st4.st1.a[0][0]=1; for (int i=0; i<5; i++) begin ST1 tmp; tmp.a[0][0] = i+1; st4.st2.push_back(tmp); ...

module test; typedef struct packed { logic [9:-1][2:0] a; } ST1; typedef struct { ST1 st1; packed ST1 st2[]; logic [7:0] b; } ST4; initial begin ST4 st4; st4.st1.a[0][0] = 1; for (int i = 0; i < 5; i++) begin st4.st2.push_back(ST1'(i + 1)); end st4.b = 8'hAA; $display("%s", st4.st2); //CHECK-001:'{a:'h1}, st2:'{'a:'h1}, '{a:'h0},'{a:h1}}} end endmodule this piece of system verilog code, when compiled by vcs, it reports 1 error: Parsing design file'sc_assignment_pattern_030.sv' Error-[SE] Syntax error Following verilog source has syntax error: "sc_asssignment_pattern_030.sv", 21: token is 'packed' packed ST1 st2[]; System Verilog keyword 'packed' is not expected to be used in this context. How should I fix this error so that it can be compiled successfully by vcs?

2023-06-08 上传
The error message indicates that the use of 'packed' in the typedef declaration of 'st2' is incorrect. The 'packed' keyword is used to specify that a structure or union should be packed tightly in ...

sure. the piece of system verilog code is as below: module inner_submod ( input logic [9:-1][2:0] sub_input, output logic [9:-1][2:0] sub_output ); assign sub_output = sub_input + 1; endmodule module test_top; typedef struct packed { logic [9:-1][2:0] a; } ST1; typedef struct { ST1 st1; ST1 st2[2:0]; } ST2; ST2 st2 = '{st1: {a: '{3'b1, 3'b0, 12'b1}}, st2: '{ '{a: '{3'b1, 3'b0, 12'b1}}, '{a: '{3'b1, 3'b0, 12'b1}}, '{a: '{3'b1, 3'b0, 12'b1}} }}; inner_submod submod1 ( .sub_input(st2.st2[0].a), .sub_output(st2.st2[0].a) ); inner_submod submod2 ( .sub_input(st2.st2[0].a), .sub_output(st2.st2[0].a) ); inner_submod submod3 ( .sub_input(st2.st2[1].a), .sub_output(st2.st2[1].a) ); initial begin $display("st2:%s",st2); end and the error reported by vcs is: Error-[SE] Syntax error Following verilog source has syntax error : "sc_assignment_pattern_041.sv", 12: token is '{' module inner_submod {

2023-06-09 上传
Instead of using the '{...}' syntax, you should use the '{...} with {...} with {...}' syntax to initialize nested structs. Here is the modified code: ``` module inner_submod ( input logic [9:-1][2:...

but if I remove the keyword packed as you suggested, vcs reports 2 errors: Error-[IBC] Invalid bounds count sc_assignment_pattern_030.sv,29 The following access has an invalid number of indices.st4.st2.push_back Error-[XMRE] Cross Module reference resolution error sc_assignment_pattern_030.sv, 29 Error found while trying to resolve cross-module reference. token 'st2'. Originating module 'test'. Source Info:st4.st2.push_back((i+1)); then how should I fix these 2 errors?

2023-06-08 上传
In this code, the declaration of `st2` now includes the size `[$]` to indicate that it is an unpacked array with a dynamic size. The `$` size specifier allows the size of the array to be determined at...

def drawChess(self, x, y): painter = QPainter(self.chessboard) painter.setRenderHint(QPainter.Antialiasing, True) self.turn = 0 painter.setBrush(Qt.black) self.turn = 1 else: painter.setBrush(Qt.white) self.turn = 0 painter.drawEllipse(QPoint(40 + x * 40, 40 + y * 40), 18, 18) painter.end() self.update()这段代码有什么问题

2023-05-10 上传
painter.end() self.update() ``` 这段代码的作用是在棋盘上绘制黑白两色的圆形棋子，每当绘制完一个棋子后，它会把 self.turn 的值从 0 改为 1，或从 1 改为 0，以便在下一次绘制时使用不同的颜色。

module test; typedef struct packed { logic [9:-1][2:0] a; } ST1; typedef struct { ST1 st1; ST2 st2[2:0]; } ST2; typedef struct { ST2 st2; ST3 st2[2:0]; }ST3; initial begin ST2 st2; for (int i=0; i<3; i++) begin for (int j=0; j<3; j++) begin for (int k=0; k<3; k++) begin st3.st3[i].st2.a[j][k]=1'b1; end end end $display("%p", st2); end endmodule 这段代码有什么错误吗？如果有，应该怎么修改呢？应该如何修改这段代码，才能使得最后的打印输出是 '{st1:'{a:'h1}, st2: '{'{a:'h1}, '{a:'h0}, '{a:'h1}}}呢？

2023-06-06 上传
1. 定义了两个名字相同的结构体 ST2，应该将第三个结构体改为 ST3。 2. 在 initial 块中，没有声明变量 st3，应该将 ST3 st2[2:0] 改为 ST3 st3[2:0]。 3. 在循环中，应该使用 st3.st2.a[j][k] 而不是 st3.st3[i]....
ANDY2009
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