Add Windows compatibility

#410

CMakeLists.txt

@@ -36,8 +36,7 @@ IF( NOT Qt6_FOUND )
     find_package(Qt6 COMPONENTS Core Widgets PrintSupport Gui REQUIRED)
 ENDIF()
 
-find_package(SQLite3 REQUIRED)
-find_package(Catch2 3 REQUIRED)
+find_package(Catch2 REQUIRED)
 
 IF(APPLE)
     set(ICON_NAME "icon.icns")
@@ -47,16 +46,18 @@ IF(APPLE)
     file(COPY ${ICON_PATH} DESTINATION "BuzzBot.app/Contents/Resources")
 ENDIF()
 
-add_executable(BuzzBot MACOSX_BUNDLE ${ICON_PATH} src/main.cpp src/mainwindow.cpp src/database.cpp src/mainwindow.h
-        src/database.h src/usersettings.cpp src/usersettings.h src/calculate.cpp src/calculate.h src/beer.cpp
-        src/liquor.cpp src/wine.cpp src/filters.cpp src/about.cpp src/about.h src/exporters.cpp src/exporters.h
-        src/standard_drink_calculator.cpp src/standard_drink_calculator.h src/confirm_dialog.cpp src/confirm_dialog.h
-        src/graphing.cpp src/graphing.h include/qcustomplot.h include/qcustomplot.cpp
-        src/table_manipulation.cpp src/stats_updaters.cpp src/utilities.cpp src/utilities.h src/drink.h
-        src/graphing_calculations.h src/graphing_calculations.cpp src/options.h src/drink.cpp src/drink_standards.h src/drink_standards.cpp src/options.cpp)
+add_executable(BuzzBot MACOSX_BUNDLE ${ICON_PATH} src/main.cpp src/mainwindow.cpp src/database.cpp
+        src/usersettings.cpp src/calculate.cpp src/beer.cpp
+        src/liquor.cpp src/wine.cpp src/filters.cpp src/about.cpp src/exporters.cpp
+        src/standard_drink_calculator.cpp src/confirm_dialog.cpp
+        src/graphing.cpp include/qcustomplot.cpp
+        src/table_manipulation.cpp src/stats_updaters.cpp src/utilities.cpp
+        src/graphing_calculations.cpp src/drink.cpp
+        src/drink_standards.cpp src/options.cpp)
 add_executable(functions_test src/database.cpp src/database.h src/calculate.cpp src/calculate.h
         test/test_database_functions.cpp test/test_calculations.cpp test/test_graph_calculations.cpp
-        src/utilities.cpp src/utilities.h src/drink.h src/graphing_calculations.h src/graphing_calculations.cpp src/options.h src/drink.cpp src/drink_standards.h src/drink_standards.cpp src/options.cpp)
+        src/utilities.cpp src/utilities.h src/drink.h src/graphing_calculations.h src/graphing_calculations.cpp
+        src/options.h src/drink.cpp src/drink_standards.h src/drink_standards.cpp src/options.cpp)
 
 if (CMAKE_BUILD_TYPE MATCHES Debug)
     message("Building debug")
@@ -103,6 +104,17 @@ ELSEIF(UNIX AND NOT APPLE)
             $ENV{HOME}/.local/share/icons/big_sur_icon.png)
     add_custom_command(TARGET BuzzBot POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/res/buzzbot.desktop
             $ENV{HOME}/.local/share/applications/buzzbot.desktop)
+
+ELSEIF(WIN32)
+    file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/res)
+    add_custom_command(TARGET BuzzBot POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/res/previous.png
+            ${CMAKE_CURRENT_BINARY_DIR}/res/previous.png)
+    add_custom_command(TARGET BuzzBot POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/res/next.png
+            ${CMAKE_CURRENT_BINARY_DIR}/res/next.png)
+    add_custom_command(TARGET BuzzBot POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/res/mini-icon.png
+            ${CMAKE_CURRENT_BINARY_DIR}/res/mini-icon.png)
+    add_custom_command(TARGET BuzzBot POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/res/big_sur_icon.png
+            ${CMAKE_CURRENT_BINARY_DIR}/res/big_sur_icon.png)
 ENDIF()
 
 IF(APPLE)

src/about.cpp

@@ -6,7 +6,7 @@
 #include <QDir>
 #ifdef __APPLE__
     #include <CoreFoundation/CFBundle.h>
-#elif __linux
+#else
     #include "utilities.h"
 #endif
 
@@ -38,6 +38,9 @@ About::About() {
     const std::string icon_path = icon_path_qstring.toStdString() + "/Contents/Resources/mini-icon.png";
     CFRelease(app_url_ref);
     CFRelease(mac_path);
+#elif _WIN32
+    std::string current_path = utilities::exe_path();
+    const std::string icon_path {current_path + "\\res\\mini-icon.png"};
 #endif
     // Set icon
     QPixmap pixmap(QString::fromStdString(icon_path));

src/graphing_calculations.cpp

@@ -8,6 +8,10 @@
 #include <sstream>
 #include "graphing_calculations.h"
 
+#ifdef __WIN32
+    #include "utilities.h"  // For strptime
+#endif
+
 std::vector<double> GraphingCalculations::get_beer_ibus(const std::vector<Drink>& all_drinks) {
     /*
      * Create a vector containing IBU values of all beers.
@@ -111,7 +115,11 @@ std::string GraphingCalculations::week_number(const int date) {
 
     constexpr int days_per_week {7};
     struct tm tm{};
+#ifdef __WIN32
+    utilities::strptime(std::to_string(date).c_str(), "%Y%m%d", &tm);
+#else
     strptime(std::to_string(date).c_str(), "%Y%m%d", &tm);
+#endif
 
     const int wday {tm.tm_wday};
     const int delta {wday ? wday - 1 : days_per_week - 1};
@@ -130,7 +138,11 @@ int GraphingCalculations::date_from_week_num(const std::string& week_num) {
 
     struct tm tm{};
     const std::string week_num_tmp {week_num + "-1"};
+#ifdef __WIN32
+    utilities::strptime(week_num_tmp.c_str(), "%Y-%W-%w", &tm);
+#else
     strptime(week_num_tmp.c_str(), "%Y-%W-%w", &tm);
+#endif
 
     std::string year {std::to_string(tm.tm_year +1900)};
     std::string month {std::to_string(tm.tm_mon + 1)};

src/mainwindow.cpp

@@ -21,6 +21,8 @@
 
 #ifdef __APPLE__
     #include <CoreFoundation/CFBundle.h>
+#elif _WIN32
+    #include <unistd.h>
 #endif
 
 MainWindow::MainWindow(QWidget *parent)
@@ -149,6 +151,10 @@ void MainWindow::configure_calendar() {
     const std::string home_path = utilities::get_home_path();
     const std::string next_month_arrow = home_path + "/.local/share/icons/com.rwardrup.buzzbot/next.png";
     const std::string previous_month_arrow = home_path + "/.local/share/icons/com.rwardrup.buzzbot/previous.png";
+#elif _WIN32
+    const std::string current_path {utilities::exe_path()};
+    const std::string next_month_arrow {current_path + "/res/next.png"};
+    const std::string previous_month_arrow {current_path + "/res/previous.png"};
 #endif
 
     const std::string stylesheet_text = "QCalendarWidget QWidget#qt_calendar_navigationbar\n"
@@ -171,9 +177,11 @@ void MainWindow::configure_calendar() {
                                   "QCalendarWidget QToolButton#qt_calendar_nextmonth \n"
                                   "{\n"
                                   "\tqproperty-icon: url(" + next_month_arrow + ");\n""}";
+#if __linux__ || __APPLE__
     ui->beerDateInput->setStyleSheet(QString::fromStdString(stylesheet_text));
     ui->liquorDateInput->setStyleSheet(QString::fromStdString(stylesheet_text));
     ui->wineDateInput->setStyleSheet(QString::fromStdString(stylesheet_text));
+#endif
 }
 
 void MainWindow::configure_table() {

src/utilities.cpp

@@ -59,7 +59,7 @@ std::string utilities::get_local_date() {
     for (char i : query_date) {
         output += std::string(1, i);
     }
-#elif __linux
+#else
     const int year{1900 + now_tm.tm_year};
 
     // 0-pad month

src/utilities.h

@@ -6,6 +6,13 @@
 #define BUZZBOT_UTILITIES_H
 
 #include <string>
+#include <time.h>
+#include <iomanip>
+#include <sstream>
+
+#ifdef __WIN32
+    #include <windows.h>
+#endif
 
 class utilities {
 public:
@@ -26,6 +33,33 @@ class utilities {
     static std::string get_db_path();
 
     static std::string settings_path();
+
+    static char* strptime(const char* s,
+                              const char* f,
+                              struct tm* tm) {
+        // Isn't the C++ standard lib nice? std::get_time is defined such that its
+        // format parameters are the exact same as strptime. Of course, we have to
+        // create a string stream first, and imbue it with the current C locale, and
+        // we also have to make sure we return the right things if it fails, or
+        // if it succeeds, but this is still far simpler an implementation than any
+        // of the versions in any of the C standard libraries.
+        std::istringstream input(s);
+        input.imbue(std::locale(setlocale(LC_ALL, nullptr)));
+        input >> std::get_time(tm, f);
+        if (input.fail()) {
+            return nullptr;
+        }
+        return (char*)(s + input.tellg());
+    }
+
+    static std::string exe_path() {
+        TCHAR buffer[MAX_PATH] = { 0 };
+        GetModuleFileName( NULL, buffer, MAX_PATH );
+        std::wstring::size_type pos = std::wstring(buffer).find_last_of(L"\\/");
+        std::wstring ws(std::wstring(buffer).substr(0, pos));
+        std::string str(ws.begin(), ws.end());
+        return str;
+    }
 };