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Fix for bug #399 updating the text scroll #499

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Fix for bug #399 updating the text scroll #499

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5d18f5a
Fix for bug #399 updating the text scroll
Jun 30, 2020
fd457e2
Update talkdialoguepopup.cpp
neveza Jul 1, 2020
8e1b9a7
Update talkdialoguepopup.cpp
neveza Jul 2, 2020
c7ee336
Update talkdialoguepopup.cpp
neveza Jul 2, 2020
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77 changes: 41 additions & 36 deletions apps/freeablo/fagui/talkdialoguepopup.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -15,46 +15,51 @@ namespace FAGui
renderer->getWindowDimensions(screenW, screenH);

nk_flags flags = NK_WINDOW_NO_SCROLLBAR;
// any bigger than 75 offset for width seems to expose artifacts of the background sprite
auto dialogRectangle = nk_rect(
screenW / 2.0f - (boxTex->getWidth() / 2.0f), screenH / 2.0f - (boxTex->getHeight() / 2.0f), boxTex->getWidth() + 75, boxTex->getHeight() + 50);

auto dialogRectangle =
nk_rect(screenW / 2.0f - (boxTex->getWidth() / 2.0f), screenH / 2.0f - (boxTex->getHeight() / 2.0f), boxTex->getWidth(), boxTex->getHeight());
auto textScrollRectangle = nk_rect(dialogRectangle.x + 30, dialogRectangle.y + 20, boxTex->getWidth(), boxTex->getHeight());

UpdateResult result = UpdateResult::DoNothing;

mGuiManager.nk_fa_begin_image_window(ctx,
"talkPopup",
dialogRectangle,
flags,
boxTex->getNkImage(),
[&]() {
drawBackgroundCheckerboard(renderer, ctx, dialogRectangle);

// fill the rest of the window
struct nk_rect bounds = nk_widget_bounds(ctx);
struct nk_rect panelSize = nk_window_get_bounds(ctx);
float contentHeight = panelSize.h + panelSize.y - bounds.y;
nk_layout_row_dynamic(ctx, contentHeight, 1);

auto wrapText = [](nk_context* ctx, const char* text, TextColor color) {
FARender::Renderer* renderer = FARender::Renderer::get();
nk_style_push_font(ctx, renderer->bigTGoldFont());
nk_style_push_color(ctx, &ctx->style.text.color, getNkColor(color));
nk_label_wrap(ctx, text);
nk_style_pop_color(ctx);
nk_style_pop_font(ctx);
};

auto& world = mGuiManager.mDialogManager.mWorld;
static auto startTime = world.getCurrentTick();
wrapText(ctx, mTalkData.text.c_str(), TextColor::white);
auto currentTime = world.getCurrentTick();
if (currentTime - startTime >= world.getTicksInPeriod("0.1"))
{
ctx->active->scrollbar.y++;
startTime = currentTime;
}
},
true);
mGuiManager.nk_fa_begin_image_window(
ctx, "talkPopup", dialogRectangle, flags, boxTex->getNkImage(), [&]() { drawBackgroundCheckerboard(renderer, ctx, dialogRectangle); }, true);

// creating another window allows for texts to scroll without going out of the textured background frame
mGuiManager.nk_fa_begin_window(ctx,
"textScroll",
textScrollRectangle,
flags,
[&]() {
// fill the rest of the window
struct nk_rect bounds = nk_widget_bounds(ctx);
struct nk_rect panelSize = nk_window_get_bounds(ctx);
float contentHeight = panelSize.h + panelSize.y - bounds.y;
nk_layout_row_dynamic(ctx, contentHeight, 1);

ctx->style.window.fixed_background.data.color = nk_color{0, 0, 0, 0};

auto wrapText = [](nk_context* ctx, const char* text, TextColor color) {
FARender::Renderer* renderer = FARender::Renderer::get();
nk_style_push_font(ctx, renderer->bigTGoldFont());
nk_style_push_color(ctx, &ctx->style.text.color, getNkColor(color));
nk_label_wrap(ctx, text);
nk_style_pop_color(ctx);
nk_style_pop_font(ctx);
};

auto& world = mGuiManager.mDialogManager.mWorld;
static auto startTime = world.getCurrentTick();
wrapText(ctx, mTalkData.text.c_str(), TextColor::white);
auto currentTime = world.getCurrentTick();
if (currentTime - startTime >= world.getTicksInPeriod("0.1"))
{
ctx->active->scrollbar.y++;
startTime = currentTime;
}
},
true);

return result;
}
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