diff options
Diffstat (limited to '')
| -rw-r--r-- | OptionItem.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/OptionItem.c b/OptionItem.c new file mode 100644 index 0000000..962c0a9 --- /dev/null +++ b/OptionItem.c @@ -0,0 +1,215 @@ +/* +htop - OptionItem.c +(C) 2004-2011 Hisham H. Muhammad +Released under the GNU GPLv2+, see the COPYING file +in the source distribution for its full text. +*/ + +#include "OptionItem.h" + +#include <assert.h> +#include <math.h> +#include <stdlib.h> + +#include "CRT.h" +#include "Macros.h" +#include "RichString.h" +#include "XUtils.h" + + +static void OptionItem_delete(Object* cast) { + OptionItem* this = (OptionItem*)cast; + assert (this != NULL); + + free(this->text); + free(this); +} + +static void TextItem_display(const Object* cast, RichString* out) { + const TextItem* this = (const TextItem*)cast; + assert (this != NULL); + + RichString_appendWide(out, CRT_colors[HELP_BOLD], this->super.text); +} + +static void CheckItem_display(const Object* cast, RichString* out) { + const CheckItem* this = (const CheckItem*)cast; + assert (this != NULL); + + RichString_writeAscii(out, CRT_colors[CHECK_BOX], "["); + if (CheckItem_get(this)) { + RichString_appendAscii(out, CRT_colors[CHECK_MARK], "x"); + } else { + RichString_appendAscii(out, CRT_colors[CHECK_MARK], " "); + } + RichString_appendAscii(out, CRT_colors[CHECK_BOX], "] "); + RichString_appendWide(out, CRT_colors[CHECK_TEXT], this->super.text); +} + +static void NumberItem_display(const Object* cast, RichString* out) { + const NumberItem* this = (const NumberItem*)cast; + assert (this != NULL); + + char buffer[12]; + RichString_writeAscii(out, CRT_colors[CHECK_BOX], "["); + int written; + if (this->scale < 0) { + written = xSnprintf(buffer, sizeof(buffer), "%.*f", -this->scale, pow(10, this->scale) * NumberItem_get(this)); + } else if (this->scale > 0) { + written = xSnprintf(buffer, sizeof(buffer), "%d", (int) (pow(10, this->scale) * NumberItem_get(this))); + } else { + written = xSnprintf(buffer, sizeof(buffer), "%d", NumberItem_get(this)); + } + RichString_appendnAscii(out, CRT_colors[CHECK_MARK], buffer, written); + RichString_appendAscii(out, CRT_colors[CHECK_BOX], "]"); + for (int i = written; i < 5; i++) { + RichString_appendAscii(out, CRT_colors[CHECK_BOX], " "); + } + RichString_appendWide(out, CRT_colors[CHECK_TEXT], this->super.text); +} + +const OptionItemClass OptionItem_class = { + .super = { + .extends = Class(Object), + .delete = OptionItem_delete + } +}; + +const OptionItemClass TextItem_class = { + .super = { + .extends = Class(OptionItem), + .delete = OptionItem_delete, + .display = TextItem_display + }, + .kind = OPTION_ITEM_TEXT +}; + + +const OptionItemClass CheckItem_class = { + .super = { + .extends = Class(OptionItem), + .delete = OptionItem_delete, + .display = CheckItem_display + }, + .kind = OPTION_ITEM_CHECK +}; + + +const OptionItemClass NumberItem_class = { + .super = { + .extends = Class(OptionItem), + .delete = OptionItem_delete, + .display = NumberItem_display + }, + .kind = OPTION_ITEM_NUMBER +}; + +TextItem* TextItem_new(const char* text) { + TextItem* this = AllocThis(TextItem); + this->super.text = xStrdup(text); + return this; +} + +CheckItem* CheckItem_newByRef(const char* text, bool* ref) { + CheckItem* this = AllocThis(CheckItem); + this->super.text = xStrdup(text); + this->value = false; + this->ref = ref; + return this; +} + +CheckItem* CheckItem_newByVal(const char* text, bool value) { + CheckItem* this = AllocThis(CheckItem); + this->super.text = xStrdup(text); + this->value = value; + this->ref = NULL; + return this; +} + +bool CheckItem_get(const CheckItem* this) { + if (this->ref) { + return *(this->ref); + } else { + return this->value; + } +} + +void CheckItem_set(CheckItem* this, bool value) { + if (this->ref) { + *(this->ref) = value; + } else { + this->value = value; + } +} + +void CheckItem_toggle(CheckItem* this) { + if (this->ref) { + *(this->ref) = !*(this->ref); + } else { + this->value = !this->value; + } +} + +NumberItem* NumberItem_newByRef(const char* text, int* ref, int scale, int min, int max) { + assert(min <= max); + + NumberItem* this = AllocThis(NumberItem); + this->super.text = xStrdup(text); + this->value = 0; + this->ref = ref; + this->scale = scale; + this->min = min; + this->max = max; + return this; +} + +NumberItem* NumberItem_newByVal(const char* text, int value, int scale, int min, int max) { + assert(min <= max); + + NumberItem* this = AllocThis(NumberItem); + this->super.text = xStrdup(text); + this->value = CLAMP(value, min, max); + this->ref = NULL; + this->scale = scale; + this->min = min; + this->max = max; + return this; +} + +int NumberItem_get(const NumberItem* this) { + if (this->ref) { + return *(this->ref); + } else { + return this->value; + } +} + +void NumberItem_decrease(NumberItem* this) { + if (this->ref) { + *(this->ref) = CLAMP(*(this->ref) - 1, this->min, this->max); + } else { + this->value = CLAMP(this->value - 1, this->min, this->max); + } +} + +void NumberItem_increase(NumberItem* this) { + if (this->ref) { + *(this->ref) = CLAMP(*(this->ref) + 1, this->min, this->max); + } else { + this->value = CLAMP(this->value + 1, this->min, this->max); + } +} + +void NumberItem_toggle(NumberItem* this) { + if (this->ref) { + if (*(this->ref) >= this->max) + *(this->ref) = this->min; + else + *(this->ref) += 1; + } else { + if (this->value >= this->max) + this->value = this->min; + else + this->value += 1; + } +} |