AI_Slop/DVX_GUI
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Splash screen added. Real graphic needs to be drawn.

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This commit is contained in:
Scott Duensing 2026-03-26 20:24:17 -05:00
parent fdc72f98a1
commit be7473ff27
1 changed files with 67 additions and 0 deletions
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67
shell/shellMain.c
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@ -29,6 +29,9 @@
#include "shellApp.h"
#include "shellInfo.h"
#include "dvxDialog.h"
#include "dvxDraw.h"
#include "dvxVideo.h"
#include "dvxComp.h"
#include "dvxPrefs.h"
#include "dvxPlatform.h"
#include "stb_ds.h"
@ -60,6 +63,8 @@ static DesktopUpdateFnT *sDesktopUpdateFns = NULL;
static void idleYield(void *ctx);
static void logVideoMode(int32_t w, int32_t h, int32_t bpp, void *userData);
static void showSplash(AppContextT *ctx);
static void hideSplash(AppContextT *ctx);
// ============================================================
// shellDesktopUpdate -- notify desktop app of state change
@ -118,6 +123,62 @@ static void logVideoMode(int32_t w, int32_t h, int32_t bpp, void *userData) {
}
// ============================================================
// showSplash / hideSplash
// ============================================================
//
// Draws a centered splash screen directly to the backbuffer before
// any windows exist. Flushed immediately so it's visible during the
// loading pause (DXE loading, widget registration, app init).
static void showSplash(AppContextT *ctx) {
DisplayT *d = &ctx->display;
const BlitOpsT *ops = &ctx->blitOps;
const BitmapFontT *font = &ctx->font;
const ColorSchemeT *col = &ctx->colors;
// Dark background
uint32_t bgColor = packColor(d, 0, 0, 64);
rectFill(d, ops, 0, 0, d->width, d->height, bgColor);
// Center text
const char *title = "DVX - DOS Visual eXecutive";
const char *version = "Loading...";
int32_t titleW = textWidth(font, title);
int32_t versionW = textWidth(font, version);
int32_t titleX = (d->width - titleW) / 2;
int32_t versionX = (d->width - versionW) / 2;
int32_t centerY = d->height / 2 - font->charHeight;
uint32_t titleFg = packColor(d, 255, 255, 255);
uint32_t verFg = packColor(d, 180, 180, 220);
drawText(d, ops, font, titleX, centerY, title, titleFg, bgColor, true);
drawText(d, ops, font, versionX, centerY + font->charHeight + 4, version, verFg, bgColor, true);
// Flush the entire screen
RectT fullScreen = {0, 0, d->width, d->height};
platformFlushRect(d, &fullScreen);
}
static void hideSplash(AppContextT *ctx) {
DisplayT *d = &ctx->display;
const BlitOpsT *ops = &ctx->blitOps;
// Clear to desktop background -- the first dvxUpdate will paint
// the wallpaper and windows over this.
rectFill(d, ops, 0, 0, d->width, d->height, ctx->colors.desktop);
RectT fullScreen = {0, 0, d->width, d->height};
platformFlushRect(d, &fullScreen);
// Mark entire screen dirty so the compositor repaints everything
dirtyListAdd(&ctx->dirty, 0, 0, d->width, d->height);
}
// ============================================================
// shellRegisterDesktopUpdate
// ============================================================
@ -242,6 +303,9 @@ int shellMain(int argc, char *argv[]) {
platformVideoEnumModes(logVideoMode, NULL);
dvxLog("Selected: %ldx%ld %ldbpp (pitch %ld)", (long)sCtx.display.width, (long)sCtx.display.height, (long)sCtx.display.format.bitsPerPixel, (long)sCtx.display.pitch);
// Show splash screen while the rest of initialization runs
showSplash(&sCtx);
// Initialize task system
if (tsInit() != TS_OK) {
dvxLog("Failed to initialize task system");
@ -291,6 +355,9 @@ int shellMain(int argc, char *argv[]) {
return 1;
}
// Dismiss splash -- desktop app is loaded, ready for interaction
hideSplash(&sCtx);
dvxLog("DVX Shell ready.");
// Set recovery point for crash handler. setjmp returns 0 on initial