raygui/examples/custom_file_dialog/custom_file_dialog.c

/*******************************************************************************************
*
*   raygui - custom file dialog to load image
*
*   DEPENDENCIES:
*       raylib 4.0  - Windowing/input management and drawing.
*       raygui 3.0  - Immediate-mode GUI controls.
*
*   COMPILATION (Windows - MinGW):
*       gcc -o $(NAME_PART).exe $(FILE_NAME) -I../../src -lraylib -lopengl32 -lgdi32 -std=c99
*
*   LICENSE: zlib/libpng
*
*   Copyright (c) 2016-2022 Ramon Santamaria (@raysan5)
*
**********************************************************************************************/

#include "raylib.h"

#define RAYGUI_IMPLEMENTATION
#include "../../src/raygui.h"

#undef RAYGUI_IMPLEMENTATION            // Avoid including raygui implementation again
#define GUI_FILE_DIALOG_IMPLEMENTATION
#include "gui_file_dialog.h"

//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main()
{
    // Initialization
    //---------------------------------------------------------------------------------------
    int screenWidth = 800;
    int screenHeight = 560;

    InitWindow(screenWidth, screenHeight, "raygui - custom modal dialog");
    SetExitKey(0);

    // Custom file dialog
    GuiFileDialogState fileDialogState = InitGuiFileDialog(420, 310, GetWorkingDirectory(), false);

    bool exitWindow = false;

    char fileNameToLoad[512] = { 0 };

    Texture texture = { 0 };

    SetTargetFPS(60);
    //--------------------------------------------------------------------------------------

    // Main game loop
    while (!exitWindow)    // Detect window close button or ESC key
    {
        // Update
        //----------------------------------------------------------------------------------
        exitWindow = WindowShouldClose();

        if (fileDialogState.SelectFilePressed)
        {
            // Load image file (if supported extension)
            if (IsFileExtension(fileDialogState.fileNameText, ".png"))
            {
                strcpy(fileNameToLoad, TextFormat("%s/%s", fileDialogState.dirPathText, fileDialogState.fileNameText));
                UnloadTexture(texture);
                texture = LoadTexture(fileNameToLoad);
            }

            fileDialogState.SelectFilePressed = false;
        }
        //----------------------------------------------------------------------------------

        // Draw
        //----------------------------------------------------------------------------------
        BeginDrawing();

            ClearBackground(GetColor(GuiGetStyle(DEFAULT, BACKGROUND_COLOR)));

            DrawTexture(texture, GetScreenWidth()/2 - texture.width/2, GetScreenHeight()/2 - texture.height/2 - 5, WHITE);
            DrawRectangleLines(GetScreenWidth()/2 - texture.width/2, GetScreenHeight()/2 - texture.height/2 - 5, texture.width, texture.height, BLACK);

            DrawText(fileNameToLoad, 208, GetScreenHeight() - 20, 10, GRAY);

            // raygui: controls drawing
            //----------------------------------------------------------------------------------
            if (fileDialogState.fileDialogActive) GuiLock();

            if (GuiButton((Rectangle){ 20, 20, 140, 30 }, GuiIconText(ICON_FILE_OPEN, "Open Image"))) fileDialogState.fileDialogActive = true;

            GuiUnlock();

            // GUI: Dialog Window
            //--------------------------------------------------------------------------------
            GuiFileDialog(&fileDialogState);
            //--------------------------------------------------------------------------------

            //----------------------------------------------------------------------------------

        EndDrawing();
        //----------------------------------------------------------------------------------
    }

    // De-Initialization
    //--------------------------------------------------------------------------------------
    UnloadTexture(texture);     // Unload texture

    CloseWindow();              // Close window and OpenGL context
    //--------------------------------------------------------------------------------------

    return 0;
}