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X11TK: Remove text positioning hacks, use proper ascent values. (#14040)

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This commit is contained in:
eafton
2025-09-24 21:26:12 +03:00
committed by GitHub
parent 9d5d7010de
commit 0b9a197eda
2 changed files with 29 additions and 26 deletions
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50
src/video/x11/SDL_x11toolkit.c
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@@ -49,6 +49,7 @@ typedef struct SDL_ToolkitIconControlX11
int icon_char_x;
int icon_char_y;
int icon_char_a;
int icon_char_h;
/* Colors */
XColor xcolor_black;
@@ -112,12 +113,13 @@ static const char g_ToolkitFontLatin1[] =
"-*-*-medium-r-normal--0-%d-*-*-p-0-iso8859-1";
static const char g_ToolkitFontLatin1Fallback[] =
"-*-*-*-*-*--*-*-*-*-*-*-iso8859-1";
static const char *g_ToolkitFont[] = {
"-*-*-medium-r-normal--*-%d-*-*-*-*-iso10646-1", // explicitly unicode (iso10646-1)
"-*-*-medium-r-*--*-%d-*-*-*-*-iso10646-1", // explicitly unicode (iso10646-1)
"-misc-*-*-*-*--*-*-*-*-*-*-iso10646-1", // misc unicode (fix for some systems)
"-*-*-*-*-*--*-*-*-*-*-*-iso10646-1", // just give me anything Unicode.
"-*-*-medium-r-normal--*-v-*-*-*-*-iso8859-1", // explicitly latin1, in case low-ASCII works out.
"-*-*-medium-r-normal--*-%d-*-*-*-*-iso8859-1", // explicitly latin1, in case low-ASCII works out.
"-*-*-medium-r-*--*-%d-*-*-*-*-iso8859-1", // explicitly latin1, in case low-ASCII works out.
"-misc-*-*-*-*--*-*-*-*-*-*-iso8859-1", // misc latin1 (fix for some systems)
"-*-*-*-*-*--*-*-*-*-*-*-iso8859-1", // just give me anything latin1.
@@ -475,6 +477,8 @@ static void X11Toolkit_SettingsNotify(const char *name, XSettingsAction action,
/* notify controls */
for (i = 0; i < window->controls_sz; i++) {
window->controls[i]->do_size = true;
if (window->controls[i]->func_on_scale_change) {
window->controls[i]->func_on_scale_change(window->controls[i]);
}
@@ -482,6 +486,8 @@ static void X11Toolkit_SettingsNotify(const char *name, XSettingsAction action,
if (window->controls[i]->func_calc_size) {
window->controls[i]->func_calc_size(window->controls[i]);
}
window->controls[i]->do_size = false;
}
/* notify cb */
@@ -499,40 +505,39 @@ static void X11Toolkit_SettingsNotify(const char *name, XSettingsAction action,
}
}
static void X11Toolkit_GetTextWidthHeightForFont(XFontStruct *font, const char *str, int nbytes, int *pwidth, int *pheight, int *font_ascent)
static void X11Toolkit_GetTextWidthHeightForFont(XFontStruct *font, const char *str, int nbytes, int *pwidth, int *pheight, int *ascent)
{
XCharStruct text_structure;
int font_direction, font_descent;
int font_direction, font_ascent, font_descent;
X11_XTextExtents(font, str, nbytes,
&font_direction, font_ascent, &font_descent,
&font_direction, &font_ascent, &font_descent,
&text_structure);
*pwidth = text_structure.width;
*pheight = text_structure.ascent + text_structure.descent;
*ascent = text_structure.ascent;
}
static void X11Toolkit_GetTextWidthHeight(SDL_ToolkitWindowX11 *data, const char *str, int nbytes, int *pwidth, int *pheight, int *font_ascent, int *font_descent)
static void X11Toolkit_GetTextWidthHeight(SDL_ToolkitWindowX11 *data, const char *str, int nbytes, int *pwidth, int *pheight, int *ascent, int *font_descent)
{
#ifdef X_HAVE_UTF8_STRING
if (data->utf8) {
XFontSetExtents *extents;
XRectangle overall_ink, overall_logical;
extents = X11_XExtentsOfFontSet(data->font_set);
X11_Xutf8TextExtents(data->font_set, str, nbytes, &overall_ink, &overall_logical);
*pwidth = overall_logical.width;
*pheight = overall_logical.height;
*font_ascent = -extents->max_logical_extent.y;
*font_descent = extents->max_logical_extent.height - *font_ascent;
*ascent = -overall_logical.y;
*font_descent = overall_logical.height - *ascent;
} else
#endif
{
XCharStruct text_structure;
int font_direction;
int font_direction, font_ascent;
X11_XTextExtents(data->font_struct, str, nbytes,
&font_direction, font_ascent, font_descent,
&font_direction, &font_ascent, font_descent,
&text_structure);
*pwidth = text_structure.width;
*pheight = text_structure.ascent + text_structure.descent;
*ascent = text_structure.ascent;
}
}
@@ -1416,19 +1421,18 @@ static void X11Toolkit_DrawIconControl(SDL_ToolkitControlX11 *control) {
static void X11Toolkit_CalculateIconControl(SDL_ToolkitControlX11 *base_control) {
SDL_ToolkitIconControlX11 *control;
int icon_char_w;
int icon_char_h;
int icon_char_max;
control = (SDL_ToolkitIconControlX11 *)base_control;
X11Toolkit_GetTextWidthHeightForFont(control->icon_char_font, &control->icon_char, 1, &icon_char_w, &icon_char_h, &control->icon_char_a);
X11Toolkit_GetTextWidthHeightForFont(control->icon_char_font, &control->icon_char, 1, &icon_char_w, &control->icon_char_h, &control->icon_char_a);
base_control->rect.w = icon_char_w + SDL_TOOLKIT_X11_ELEMENT_PADDING * 2 * base_control->window->iscale;
base_control->rect.h = icon_char_h + SDL_TOOLKIT_X11_ELEMENT_PADDING * 2 * base_control->window->iscale;
base_control->rect.h = control->icon_char_h + SDL_TOOLKIT_X11_ELEMENT_PADDING * 2 * base_control->window->iscale;
icon_char_max = SDL_max(base_control->rect.w, base_control->rect.h) + 2;
base_control->rect.w = icon_char_max;
base_control->rect.h = icon_char_max;
base_control->rect.y = 0;
base_control->rect.x = 0;
control->icon_char_y = control->icon_char_a + (base_control->rect.h - icon_char_h)/2 + 1;
control->icon_char_y = control->icon_char_a + (base_control->rect.h - control->icon_char_h)/2;
control->icon_char_x = (base_control->rect.w - icon_char_w)/2 + 1;
base_control->rect.w += 2 * base_control->window->iscale;
base_control->rect.h += 2 * base_control->window->iscale;
@@ -1570,15 +1574,12 @@ static void X11Toolkit_CalculateButtonControl(SDL_ToolkitControlX11 *control) {
button_control = (SDL_ToolkitButtonControlX11 *)control;
X11Toolkit_GetTextWidthHeight(control->window, button_control->data->text, button_control->str_sz, &button_control->text_rect.w, &button_control->text_rect.h, &button_control->text_a, &text_d);
//control->rect.w = SDL_TOOLKIT_X11_ELEMENT_PADDING_3 * 2 * control->window->iscale + button_control->text_rect.w;
//control->rect.h = SDL_TOOLKIT_X11_ELEMENT_PADDING_3 * 2 * control->window->iscale + button_control->text_rect.h;
if (control->do_size) {
control->rect.w = SDL_TOOLKIT_X11_ELEMENT_PADDING_3 * 2 * control->window->iscale + button_control->text_rect.w;
control->rect.h = SDL_TOOLKIT_X11_ELEMENT_PADDING_3 * 2 * control->window->iscale + button_control->text_rect.h;
}
button_control->text_rect.x = (control->rect.w - button_control->text_rect.w)/2;
button_control->text_rect.y = button_control->text_a + (control->rect.h - button_control->text_rect.h)/2;
if (control->window->utf8) {
button_control->text_rect.y -= 2 * control->window->iscale;
} else {
button_control->text_rect.y -= 4 * control->window->iscale;
}
}
@@ -1726,6 +1727,7 @@ SDL_ToolkitControlX11 *X11Toolkit_CreateButtonControl(SDL_ToolkitWindowX11 *wind
base_control->is_default_enter = true;
base_control->selected = true;
}
base_control->do_size = false;
control->data = data;
control->str_sz = SDL_strlen(control->data->text);
control->cb = NULL;
@@ -1980,7 +1982,7 @@ int X11Toolkit_GetIconControlCharY(SDL_ToolkitControlX11 *control) {
SDL_ToolkitIconControlX11 *icon_control;
icon_control = (SDL_ToolkitIconControlX11 *)control;
return icon_control->icon_char_y - icon_control->icon_char_a;
return icon_control->icon_char_y - icon_control->icon_char_a + icon_control->icon_char_h/4;
}
void X11Toolkit_SignalWindowClose(SDL_ToolkitWindowX11 *data) {

1
src/video/x11/SDL_x11toolkit.h
View File

@@ -175,6 +175,7 @@ typedef struct SDL_ToolkitControlX11
bool dynamic;
bool is_default_enter;
bool is_default_esc;
bool do_size;
/* User data */
void *data;