Ammerhai/work-calendar
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add offset for days (started one day after)

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add background coloring of day cells

#4
This commit is contained in:
Ammerhai 2025-08-17 20:37:40 +02:00
parent 392bee77a7
commit 440a2d6bc0
1 changed files with 16 additions and 3 deletions
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19
src/work-calendar.cpp
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@ -12,7 +12,7 @@ int weekday_from_day(int year, int month, int day) {
int a = (14 - month) / 12;
int y = year - a;
int m = month + (12 * a) - 2;
return (day + y + (y / 4) - (y / 100) + (y / 400) + ((31 * m) / 12)) % 7;
return (day + y + (y / 4) - (y / 100) + (y / 400) + ((31 * m) / 12) - 1) % 7;
}
int calendar_week_from_day(int year, int month, int day){
@ -41,7 +41,6 @@ void per_frame(){
static bool use_work_area = true;
static ImGuiWindowFlags flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings;
// We demonstrate using the full viewport area or the work area (without menu-bars, task-bars etc.)
// Based on your use case you may want one or the other.
const ImGuiViewport* viewport = ImGui::GetMainViewport();
ImGui::SetNextWindowPos(use_work_area ? viewport->WorkPos : viewport->Pos);
ImGui::SetNextWindowSize(use_work_area ? viewport->WorkSize : viewport->Size);
@ -115,7 +114,7 @@ void per_frame(){
//days of month table
if(ImGui::BeginTable("Weekdays", 7, ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_NoHostExtendX | ImGuiTableFlags_Borders)) {
int offset = weekday_from_day(2025, month, 1);
//tage
for (int day = 1; day <= days_per_month(2025, month); day++) {
int weekday = weekday_from_day(2025, month, day);
@ -124,6 +123,20 @@ void per_frame(){
}
ImGui::TableSetColumnIndex(weekday);
ImU32 cell_bg_color_workweek = ImGui::GetColorU32(ImVec4(255/255.0f, 255/255.0f, 255/255.0f, 1.0f));
ImGui::TableSetBgColor(ImGuiTableBgTarget_CellBg, cell_bg_color_workweek);
//weekend coloring
if(weekday == 5){
ImU32 cell_bg_color_sat = ImGui::GetColorU32(ImVec4(178/255.0f, 178/255.0f, 178/255.0f, 100/255.0f));
ImGui::TableSetBgColor(ImGuiTableBgTarget_CellBg, cell_bg_color_sat);
}
if(weekday == 6){
ImU32 cell_bg_color_sun = ImGui::GetColorU32(ImVec4(100/255.0f, 100/255.0f, 100/255.0f, 100/255.0f));
ImGui::TableSetBgColor(ImGuiTableBgTarget_CellBg, cell_bg_color_sun);
}
ImGui::TextAligned(0.5, -FLT_MIN, "%d", day);
}