diff options
Diffstat (limited to 'gtk-engine/src/olpc_misc.c')
| -rw-r--r-- | gtk-engine/src/olpc_misc.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/gtk-engine/src/olpc_misc.c b/gtk-engine/src/olpc_misc.c new file mode 100644 index 0000000..831a736 --- /dev/null +++ b/gtk-engine/src/olpc_misc.c @@ -0,0 +1,325 @@ +#include <math.h> +#include <string.h> +#include <gtk/gtknotebook.h> + +#include "olpc_style.h" +#include "olpc_rc_style.h" +#include "olpc_misc.h" + +GtkShadowType +olpc_shadow_type (GtkStyle *style, const char *detail, GtkShadowType requested) +{ + GtkShadowType retval = GTK_SHADOW_NONE; + + if (requested != GTK_SHADOW_NONE) { + retval = GTK_SHADOW_ETCHED_IN; + } + + if (CHECK_DETAIL (detail, "dockitem") || CHECK_DETAIL (detail, "handlebox_bin") || CHECK_DETAIL (detail, "spinbutton_up") || CHECK_DETAIL (detail, "spinbutton_down")) { + retval = GTK_SHADOW_NONE; + } else if (CHECK_DETAIL (detail, "button") || CHECK_DETAIL (detail, "togglebutton") || CHECK_DETAIL (detail, "notebook") || CHECK_DETAIL (detail, "optionmenu")) { + retval = requested; + } else if (CHECK_DETAIL (detail, "menu")) { + retval = GTK_SHADOW_ETCHED_IN; + } + + return retval; +} + +/*********************************************** + * olpc_arrow- + * + * borrowed from redmond till shareable + ***********************************************/ +void olpc_arrow (cairo_t *canvas, + CairoColor * color, + GtkArrowType arrow_type, + gboolean fill, + gint x, + gint y, + gint width, + gint height) +{ + gint aw = width, ah = height; + GdkPoint points[3]; + + switch (arrow_type) + { + case GTK_ARROW_UP: + case GTK_ARROW_DOWN: + { + gdouble tmp=((aw+1)/2) - ((height%2)?1:0); + + if (tmp > ah) + { + aw = 2*ah - 1 - ((height%2)?1:0); + ah = (aw+1)/2; + } + else + { + ah = (gint) tmp; + aw = 2*ah - 1; + } + + if ((aw < 5) || (ah < 3)) + { + aw = 5; + ah = 3; + } + + x += (width - aw) / 2 ; + y += (height - ah) / 2; + width = aw; + height = ah; + + width += width % 2 - 1; + + points[0].x = x; + points[1].x = x + width - 1; + points[2].x = x + ((height - 1) - (height - (1 + width / 2))); + + points[0].y = points[1].y = y; + points[2].y = y + height - 1; + + if (arrow_type == GTK_ARROW_UP) + { + gint flip = points[1].y; + + points[0].y = points[1].y = points[2].y; + points[2].y = flip; + } + } + break; + + case GTK_ARROW_LEFT: + case GTK_ARROW_RIGHT: + { + gdouble tmp=((ah+1)/2) - ((width%2)?1:0); + + if (tmp > aw) + { + ah = 2*aw - 1 - ((width%2)?1:0); + aw = (ah+1)/2; + } + else + { + aw = (gint) tmp; + ah = 2*aw - 1; + } + + if ((ah < 5) || (aw < 3)) + { + ah = 5; + aw = 3; + } + + x += (width - aw) / 2 ; + y += (height - ah) / 2; + width = aw; + height = ah; + + height += height % 2 - 1; + + points[0].y = y; + points[1].y = y + height - 1; + points[2].y = y + ((width - 1) - (width - (1 + height / 2))); + + points[0].x = points[1].x = x; + points[2].x = x + width - 1; + + if (arrow_type == GTK_ARROW_LEFT) + { + gint flip = points[0].x; + + points[0].x = points[1].x = points[2].x; + points[2].x = flip; + } + } + break; + + default: + { + return; + } + } + + cairo_save(canvas); + + ge_cairo_set_color(canvas, color); + cairo_set_line_width (canvas, 0.5); + + cairo_move_to(canvas, points[0].x + 0.5, points[0].y + 0.5); + cairo_line_to(canvas, points[1].x + 0.5, points[1].y + 0.5); + cairo_line_to(canvas, points[2].x + 0.5, points[2].y + 0.5); + cairo_line_to(canvas, points[0].x + 0.5, points[0].y + 0.5); + + if (fill) + { + cairo_stroke_preserve(canvas); + + cairo_fill(canvas); + } + else + { + cairo_stroke(canvas); + } + + cairo_restore(canvas); +} + +void +olpc_slash_two(cairo_t *cr, + CairoColor *color1, + CairoColor *color2, + gint x, + gint y, + gint width, + gint height) +{ + gdouble centerx, centery, thick; + gint ax1=0,ax2=0,ay1=0,ay2=0; + + centerx = width/2 + x + 0.5; + centery = height/2 + y + 0.5; + if (width > height) + { + ax1 = -2; ax2 = 1; + } + else + { + ay1 = -2; ay2 = 1; + } + + thick = ((width < height?width-1:height-1) >> 1) - 1.5; + + cairo_set_line_width (cr, 1); + + ge_cairo_set_color(cr, color2); + cairo_move_to(cr, centerx - thick + ax1, centery + thick + ay1); + cairo_line_to(cr, centerx + thick + ax1, centery - thick + ay1); + cairo_stroke(cr); + + ge_cairo_set_color(cr, color1); + cairo_move_to(cr, centerx - thick + ax1 + ax2, centery + thick + ay1 + ay2); + cairo_line_to(cr, centerx + thick + ax1 + ax2, centery - thick + ay1 + ay2); + cairo_stroke(cr); + + if (width > height) + { + ax1 = 2; /* ax2 = 1; */ + } + else + { + ay1 = 2; /* ay2 = 1; */ + } + + cairo_set_line_width (cr, 1); + + ge_cairo_set_color(cr, color2); + cairo_move_to(cr, centerx - thick + ax1, centery + thick + ay1); + cairo_line_to(cr, centerx + thick + ax1, centery - thick + ay1); + cairo_stroke(cr); + + ge_cairo_set_color(cr, color1); + cairo_move_to(cr, centerx - thick + ax1 + ax2, centery + thick + ay1 + ay2); + cairo_line_to(cr, centerx + thick + ax1 + ax2, centery - thick + ay1 + ay2); + cairo_stroke(cr); +} + + +void +olpc_slash_one(cairo_t *cr, + CairoColor *color1, + CairoColor *color2, + gint x, + gint y, + gint width, + gint height) +{ + gint centerx, centery, thick; + + centerx = width/2 + x + 0.5; + centery = height/2 + y + 0.5; + + thick = ((width < height?width:height) >> 1) - 1.5; + + cairo_set_line_width (cr, 1); + + ge_cairo_set_color(cr, color2); + cairo_move_to(cr, centerx - thick, centery + thick); + cairo_line_to(cr, centerx + thick, centery - thick); + cairo_stroke(cr); + + ge_cairo_set_color(cr, color2); + cairo_move_to(cr, centerx - thick, centery + thick - 1); + cairo_line_to(cr, centerx + thick - 1, centery - thick); + cairo_stroke(cr); +} + +void +olpc_dot(cairo_t *cr, + CairoColor *color1, + CairoColor *color2, + gint x, + gint y) +{ + cairo_save(cr); + + cairo_set_line_width (cr, 0.5); + cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE); + + ge_cairo_set_color(cr, color2); + + cairo_rectangle (cr, x - 1, y, 0.5, 0.5); + cairo_rectangle (cr, x - 1, y - 1, 0.5, 0.5); + cairo_rectangle (cr, x, y - 1, 0.5, 0.5); + + cairo_stroke(cr); + + ge_cairo_set_color(cr, color1); + + cairo_rectangle (cr, x + 1, y, 0.5, 0.5); + cairo_rectangle (cr, x + 1, y + 1, 0.5, 0.5); + cairo_rectangle (cr, x, y + 1, 0.5, 0.5); + + cairo_stroke(cr); + + cairo_restore(cr); +} + + +void +olpc_draw_separator(cairo_t *cr, gboolean horizontal, + int x, int y, int width, int height) +{ + if (horizontal) + { + cairo_set_line_width (cr, 1.0); + cairo_translate (cr, x, y+0.5); + + cairo_move_to (cr, 0.0, 0.0); + cairo_line_to (cr, width+1, 0.0); + cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.2); + cairo_stroke (cr); + + cairo_move_to (cr, 0.0, 1.0); + cairo_line_to (cr, width, 1.0); + cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.8); + cairo_stroke (cr); + } + else + { + cairo_set_line_width (cr, 1.0); + cairo_translate (cr, x+0.5, y); + + cairo_move_to (cr, 0.0, 0.0); + cairo_line_to (cr, 0.0, height); + cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.2); + cairo_stroke (cr); + + cairo_move_to (cr, 1.0, 0.0); + cairo_line_to (cr, 1.0, height); + cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.8); + cairo_stroke (cr); + } +} |