main.c

#include "ww.h"

typedef struct UserData
{
    wchar_t str[16];
    int num;
}UserData;

void buttonCallback(wwButton *button, wwWindowAndRenderer *win)
{
    UserData *data = (UserData*) button->widget.userData;
    wwLabel *label = wwWindow_GetLabelById(win, data->num-1);
    wwCheckbox *checkbox = wwWindow_GetCheckboxById(win, data->num-1);
    wwTextbox *textbox = wwWindow_GetTextboxById(win, data->num-1);
    wwListbox *listbox = wwWindow_GetListboxById(win, data->num-1);
    wwWindow_SetTitle(win, data->str);
    wwButton_SetText(button, data->str);
   
    wwCheckbox_SetText(checkbox, data->str);
    wwTextbox_SetText(textbox, data->str);
   
    wchar_t *text = wwListbox_GetCurrentSelectionText(listbox);
    int id = wwListbox_GetCurrentSelectionId(listbox);
  
    wwListbox_AddStringAtPosition(listbox, data->str, 0);
    wwListbox_AddStringAtPosition(listbox, text, -1);
    wwListbox_AddStringAtPosition(listbox, text, 100);
    id = wwListbox_GetCurrentSelectionId(listbox);
    wwListbox_AddStringAtPosition(listbox, L"Really Large Text That Shouldn't Fit", id+1);
    free(text);

    /* not sure whether the textures should be in the renderer, better not, but keep this 
    so I don't forget that it exists - come back here later */
    // wwRect *rect = wwRenderer_GetRectangleById(win, 0);
    // wwRenderer_DrawRectangle(win, rect);
    // int visible = wwRect_GetVisible(rect);
    // wwRect_SetVisible(win, rect, !visible);
}
void buttonCallback2(wwButton *button, wwWindowAndRenderer *win)
{
    UserData *userData = (UserData*) button->widget.userData;
    wwListbox *listbox = wwWindow_GetListboxById(win, userData->num-1);
    wwListbox_DeleteCurrentSelection(listbox);
}
void labelCallback(wwLabel *label, wwWindowAndRenderer *win)
{
    UserData *data = (UserData*) label->widget.userData;
    wwWindow_SetTitle(win, data->str);
    wwLabel_SetText(label, data->str);
}

void checkboxCallback(wwCheckbox *checkbox, wwWindowAndRenderer *win)
{
    UserData *data = (UserData*) checkbox->widget.userData;
    if(wwCheckbox_IsChecked(checkbox, win))
    {
        wwWindow_SetTitle(win, L"Unchecked");
        wwCheckbox_SetChecked(checkbox, win, 0);
        wwCheckbox_SetX(checkbox, checkbox->widget.x+5);
        wwCheckbox_SetText(checkbox, L"Unclicked");
    }
    else
    {
        wwWindow_SetTitle(win, data->str);
        wwCheckbox_SetChecked(checkbox, win, 1);
        wwCheckbox_SetX(checkbox, checkbox->widget.x-5);
        wwCheckbox_SetText(checkbox, L"Clicked");
    }
}

void textboxCallback(wwTextbox *textbox, wwWindowAndRenderer *win)
{
    UserData *data = (UserData*) textbox->widget.userData;
    wwWindow_SetTitle(win, data->str);
    //wwTextbox_SetText(textbox, data); // FIXME: broken function
}

void listboxCallback(wwListbox *listbox, wwWindowAndRenderer *win)
{
    fprintf(fp, "listbox callback\n");
}

void menuExitCallback(wwMenu *menu, wwWindowAndRenderer *win)
{
    wwWindowAndRenderer_Destroy(win);
}


void Render(wwWindowAndRenderer *win, void *userData)
{

}

void Update(wwWindowAndRenderer *win, void *userData)
{

}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    wwWindowAndRenderer *win = wwWindowAndRenderer_Create(hInstance, L"Buttons Window", 100, 100, 800, 600);

    wwButton *button1 = wwButton_Create(win, L"ClickMe1",  20, 50, 80, 25);
    wwButton *button2 = wwButton_Create(win, L"ClickMe2", 120, 50, 80, 25);
    UserData buttonData1 = {.str = L"Button1", .num = 1};
    UserData buttonData2 = {.str = L"Button2", .num = 2};
    wwButton_SetCallback(button1, buttonCallback, &buttonData1);
    wwButton_SetCallback(button2, buttonCallback, &buttonData2);
 
    wwLabel *label1 = wwLabel_Create(win, L"label1",  20, 100, 80, 25);
    wwLabel *label2 = wwLabel_Create(win, L"label2", 120, 100, 80, 25);
    UserData labelData1 = {.str = L"Label1", .num = 1};
    UserData labelData2 = {.str = L"Label2", .num = 2};
    wwLabel_SetCallback(label1, labelCallback, &labelData1);
    wwLabel_SetCallback(label2, labelCallback, &labelData2);

    wwCheckbox *checkbox1 = wwCheckbox_Create(win, L"checkbox1",  20, 150, 80, 25);
    wwCheckbox *checkbox2 = wwCheckbox_Create(win, L"checkbox2", 120, 150, 80, 25);
    UserData checkboxData1 = {.str = L"CheckBox1", .num = 1};
    UserData checkboxData2 = {.str = L"CheckBox2", .num = 2};
    wwCheckbox_SetCallback(checkbox1, checkboxCallback, &checkboxData1);
    wwCheckbox_SetCallback(checkbox2, checkboxCallback, &checkboxData2);

    wwTextbox *textbox1 = wwTextbox_Create(win, L"textbox1",  20, 200, 80, 25);
    wwTextbox *textbox2 = wwTextbox_Create(win, L"textbox2", 120, 200, 80, 25);
    UserData textboxData1 = {.str = L"TextBox1", .num = 1};
    UserData textboxData2 = {.str = L"TextBox2", .num = 2};
    wwTextbox_SetCallback(textbox1, textboxCallback, &textboxData1);
    wwTextbox_SetCallback(textbox2, textboxCallback, &textboxData2);

    wwListbox *listbox1 = wwListbox_Create(win,  20, 250, 150, 100);
    wwListbox *listbox2 = wwListbox_Create(win, 190, 250, 150, 100);
    wwListbox_AddString(listbox1, L"ListBox1Text1");
    wwListbox_AddString(listbox1, L"ListBox1Text2");
    wwListbox_AddString(listbox2, L"ListBox2Text1");
    wwListbox_AddString(listbox2, L"ListBox2Text2");
    wwListbox_SetCallback(listbox1, listboxCallback, NULL);
    wwListbox_SetCallback(listbox2, listboxCallback, NULL);

    wwButton *button3 = wwButton_Create(win, L"Delete1",  20, 360, 80, 25);
    wwButton *button4 = wwButton_Create(win, L"Delete2", 190, 360, 80, 25);
    UserData buttonData3 = {.str = L"Button3", .num = 1};
    UserData buttonData4 = {.str = L"Button4", .num = 2};
    wwButton_SetCallback(button3, buttonCallback2, &buttonData3);
    wwButton_SetCallback(button4, buttonCallback2, &buttonData4);
    wwRect rect = {.x = 300, .y = 100, .width = 200, .height = 200};
    // wwRenderer_CreateRectangle(win, &rect);

    wwMenu *mainMenu  = wwMenu_CreateMainMenu(win);
    wwMenu *menuItem1 = wwMenu_CreateSubMenu(win, mainMenu, L"File");
    wwMenu *menuItem2 = wwMenu_AppendMenu(win, mainMenu, L"Help", WWMENU_STRING);
    wwMenu *subMenu1  = wwMenu_AppendMenu(win, menuItem1, L"Open", WWMENU_STRING);
    wwMenu *subMenu2  = wwMenu_AppendMenu(win, menuItem1, L"Exit", WWMENU_STRING);
    wwMenu *subMenu3  = wwMenu_CreateSubMenu(win, menuItem1, L"Submenu");
    wwMenu *subMenu4  = wwMenu_AppendMenu(win, subMenu3, L"Yes it works", WWMENU_STRING);
    wwMenu_SetCallback(subMenu2, menuExitCallback, NULL);
    // call the init function after setting up stuff but before executing the main loop
    wwWindowAndRenderer_Init(win);

    wwTimer timer;
    const int FPS = 30;
    const int frameDelay = 1000 / FPS;
    wwTimer_Init(&timer);
    fprintf(fp, "About to start main loop\n");
    while(ww_Running(win) == wwTrue)
    {
        fprintf(fp, "Main loop iteration %p\n", win);
        // Render(win, NULL);
        wwTimer_Start(&timer);
        ww_ProcessEvents(win); // call this every frame - should the library call it ?
        // Update(win, NULL);
        int frameTime = wwTimer_End(&timer); // maybe wwTimer_Stop?
        if(frameTime < frameDelay)
            wwTimer_Delay(frameDelay - frameTime);
    }
    wwWindowAndRenderer_Destroy(win);
    return 0;
}