styleswitcher.c

#include "SDL.h"
#include "KW_gui.h"
#include "KW_button.h"
#include "KW_frame.h"
#include "KW_editbox.h"
#include "KW_label.h"
#include "SDL_image.h"
#include "KW_renderdriver_sdl2.h"

KW_Surface * setalloy;
KW_Surface * setfutter;
KW_Surface * setflat;
KW_Surface * set;

KW_Font * fontin;
KW_Font * sourcepro;
KW_Font * dejavu;
SDL_bool quit = SDL_FALSE;

void kthxbaiClicked(KW_Widget * widget, int b) {
  quit = SDL_TRUE;
}

void SwitchTo(KW_Widget * widget, KW_Font * font, KW_Surface * surface, uint8_t r, uint8_t g, uint8_t b) {
  KW_GUI * gui = KW_GetGUI(widget);
  SDL_Renderer * renderer = KW_RenderDriverGetSDL2Renderer(KW_GetRenderer(gui));
  KW_SetFont(gui, font);
  SDL_SetRenderDrawColor(renderer, r, g, b, 1);
  KW_SetTilesetSurface(gui, surface);
}

void SwitchFlatClicked(KW_Widget * widget, int b) {
  SwitchTo(widget, sourcepro, setflat, 200, 100, 100);
}

void SwitchAlloyClicked(KW_Widget * widget, int b) {
  SwitchTo(widget, sourcepro, setalloy, 64, 67, 70);
}

void SwitchNormalClicked(KW_Widget * widget, int b) {
  SwitchTo(widget, fontin, set, 100, 100, 200);
}

void SwitchFutterClicked(KW_Widget * widget, int b) {
  SwitchTo(widget, fontin, setfutter, 118, 152, 162);
}

int main(int argc, char ** argv) {
  SDL_Init(SDL_INIT_EVERYTHING);
  SDL_Window * window;
  SDL_Renderer * renderer;
  SDL_CreateWindowAndRenderer(320, 240, 0, &window, &renderer);
  SDL_SetRenderDrawColor(renderer, 118, 152, 162, 1);

  KW_RenderDriver * driver = KW_CreateSDL2RenderDriver(renderer, window);
  setalloy = KW_LoadSurface(driver, "tileset-alloy.png");
  setfutter = KW_LoadSurface(driver, "tileset-futterpedia.png");
  setflat = KW_LoadSurface(driver, "tileset-flat.png");
  set = KW_LoadSurface(driver, "tileset.png");

  KW_GUI * gui = KW_Init(driver, setfutter);
  fontin = KW_LoadFont(driver, "Fontin-Regular.ttf", 12);
  sourcepro = KW_LoadFont(driver, "SourceSansPro-Semibold.ttf", 12);
  dejavu = KW_LoadFont(driver, "DejaVuSans.ttf", 11);
  KW_SetFont(gui, fontin);

  KW_Rect framegeom;

  /* top frame */  
  framegeom.x = 10, framegeom.y = 10, framegeom.w = 300, framegeom.h = 220;
  KW_Widget * frame = KW_CreateFrame(gui, NULL, &framegeom);
  
  /* buttons frame */
  framegeom.x = 10, framegeom.y = 160, framegeom.w = 280, framegeom.h = 48;
  KW_Widget * buttonsframe = KW_CreateFrame(gui, frame, &framegeom);

  KW_Rect buttongeom = { .x = 10, .y = 8, .w = 32, .h = 32 };
  KW_Widget * button;
  button = KW_CreateButton(gui, buttonsframe, NULL, &buttongeom);
  KW_SetWidgetTilesetSurface(button, set);
  KW_AddWidgetMouseDownHandler(button, SwitchNormalClicked);
  
  buttongeom.x += 290/4;
  button = KW_CreateButton(gui, buttonsframe, NULL, &buttongeom);
  KW_SetWidgetTilesetSurface(button, setalloy);
  KW_AddWidgetMouseDownHandler(button, SwitchAlloyClicked);
  
  buttongeom.x += 290/4;
  button = KW_CreateButton(gui, buttonsframe, NULL, &buttongeom);
  KW_SetWidgetTilesetSurface(button, setfutter);
  KW_AddWidgetMouseDownHandler(button, SwitchFutterClicked);
  
  buttongeom.x += 290/4;
  button = KW_CreateButton(gui, buttonsframe, NULL, &buttongeom);
  KW_SetWidgetTilesetSurface(button, setflat);
  KW_AddWidgetMouseDownHandler(button, SwitchFlatClicked);
  
  /* reset framegeom */
  framegeom.x = 10, framegeom.y = 10, framegeom.w = 300, framegeom.h = 220;
  framegeom.w -= 20; framegeom.h = 100;
  
  /* create the editbox frames */
  KW_Rect editgeom = { .x = 120, .y = 20, .w = 150, .h = 35 };
  KW_Rect labelgeom = { .x = 10, .y = 20, .w = 110, .h = 35 };
  frame = KW_CreateFrame(gui, frame, &framegeom);
  KW_Widget * editbx = KW_CreateEditbox(gui, frame, "βέβαιος (sure)", &editgeom);
  KW_SetEditboxFont(editbx, dejavu);
  KW_Widget * label = KW_CreateLabel(gui, frame, "Can you do UTF-8?", &labelgeom);
  KW_SetLabelAlignment(label, KW_LABEL_ALIGN_RIGHT, 0, KW_LABEL_ALIGN_MIDDLE, 0);
  
  buttongeom = editgeom;
  buttongeom.y = 60; buttongeom.h -= 10;
  KW_Widget * kthxbai = KW_CreateButtonAndLabel(gui, frame, "kthxbai", &buttongeom);
  KW_AddWidgetMouseDownHandler(kthxbai, kthxbaiClicked);
  
  while (!SDL_QuitRequested() && !quit) {
    SDL_RenderClear(renderer);
    KW_ProcessEvents(gui);
    KW_Paint(gui);
    SDL_RenderPresent(renderer);
    SDL_Delay(1);
  }
  
  /* free stuff */
  KW_Quit(gui);

  KW_ReleaseFont(driver, fontin);
  KW_ReleaseFont(driver, dejavu);
  KW_ReleaseSurface(driver, set);
  KW_ReleaseSurface(driver, setalloy);
  KW_ReleaseSurface(driver, setflat);
  KW_ReleaseSurface(driver, setfutter);
  SDL_Quit();
  
  return 0;
}